PROTECT MY METABOLISM NOW

2 Million+ Happy Customers

You're Not Eating More. Your Body Changed The Rules. 

After 45, your metabolism doesn't just slow down—it fundamentally changes how it stores fat. Especially around your midsection. No matter how "good" you eat. If you're doing everything the same but gaining weight... you're not broken. Your body shifted. Here's your shield.

Japan's #1 for 8 Years

2 Million+ Japanese Users

4.2/5 from 4,200+ verified reviewers

Clinical: 15cm² Belly Fat Reduction in 12 Weeks

90-Day Metabolic Shield Guarantee

PROTECT MY METABOLISM NOW

Japan's #1 Diet Support Formula Now Available Internationally

Your first take deserves a gift.

2 Packs = 1 Free Gift!🎁

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Discover Your Perfect Formula

Why "Eat Less, Move More" Stops Working (And What Actually Does)

It's Not Your Fault You Can't Lose Weight 
Like You Used to in Your 20s

Let's be honest about what's really happening.

 

After 45, three biological changes make weight management nearly impossible:

 

1. YOUR METABOLISM SLOWS 2-3% PER DECADE
  Same food. Same activity. Different results.
  
2. YOUR BODY BECOMES MORE EFFICIENT AT STORING FAT 

Hormones shift. Enzymes change. Fat accumulates faster—especially around your belly.
  
3. YOUR FAT-BURNING CAPACITY DECREASES
  The mechanisms that used to keep you lean become less active.

 

The crushing reality?

 

You can:

✓ Track every calorie perfectly
✓ Exercise 4-5 times per week  
✓ Avoid sugar and processed foods
✓ Get adequate sleep and manage stress

And STILL watch your weight climb.

 

Meanwhile:
- Your clothes get tighter
- Your confidence drops  
- Social situations create anxiety
- You feel trapped in a body that won't respond

 

Here's what the diet industry won't tell you:

Your body fundamentally changes how it handles calories as you age.





 

It's not about willpower. It's not about discipline.  

It's about biology.

Why This Works When Everything Else Has Failed:

This isn't another diet plan you'll abandon.
This isn't another exercise program you can't maintain.
This isn't another restrictive protocol that makes you miserable.
 

This is metabolic support that works WITH your life, not against it.

The Old Approach 

Japanese Approach

"Eat less, move more"

Stimulant-based fat burners (jitters, crashes)

1-2 generic ingredients

Ignores hormonal reality

No age targeting

Quick fixes that fail

Work WITH your metabolism

Zero stimulants, stable energy

Four clinically-studied compounds

Built for 45+ shift

Targets visceral belly fat

20+ year track record, 2M+ users

While American brands kept selling the same failed advice

Japanese metabolic scientists took a different approach: Instead of fighting your changing body, they created support that works WITH it. The result? FANCL Adult Calorie Limit—Japan's #1 metabolism support formula for 8 consecutive years. Let us show you why.

Dr. Sarah 

Japan's 8-Year Answer: Built Specifically For Bodies Over 45

In Japan—where the population lives longest and faces aging metabolism FIRST— researchers identified the exact problem: After 45, your body doesn't just slow down. It changes the RULES of fat storage. That's why cutting calories backfires. That's why exercise alone doesn't work. That's why HRT helps symptoms but not weight. FANCL doesn't try to override your biology with stimulants or starvation. Instead, it addresses the ROOT CAUSE of age-related weight gain through a clinically-proven 3-phase system:

The Triple Defense System

Clinically-Studied Mechanisms, Not Marketing Hype

Your Daily Essentials

PHASE 1: BLOCK

Black Ginger + Mulberry Leaf + Chitosan

→ Blocks 15-25% of calories from sugars and fats BEFORE they can be absorbed

Clinical Study: 15-25% reduction in calorie  absorption (Pharmacology & Therapeutics, 2019)

PHASE 2: REGULATE

Blood Sugar Control
→ Reduces post-meal glucose spikes by 20-30%, preventing the insulin surges that trigger belly fat storage

Clinical Study: 20-30% blood sugar spike reduction (Diabetes, Metabolic Syndrome, 2018)

PHASE 3: BURN

Visceral Fat Metabolism

→ Activates brown adipose tissue to burn existing belly fat—the dangerous visceral  kind that appears after 45

Clinical Study: 15cm² visceral fat reduction over 12 weeks (PRISMA 2020 Review)

This Isn't Appetite Suppression.

This Isn't Stimulants. 

This Is Direct Intervention on the Fat-Storage Mechanism That Changed After 45. 

NOT A DIET. 
Not a meal plan. 

Not a restrictive protocol. 

This is targeted metabolic support that addresses the ROOT CAUSE of age-related weight management challenges—your changing metabolism.

BACKED BY MEDICAL-JOURNAL-LEVEL SCIENCE

4 separate clinical trials (not just internal "studies")

Published in peer-reviewed medical journals

Double-blind, placebo-controlled designs

Japanese Consumer Affairs Agency E864 certified

GMP pharmaceutical-grade manufacturing

This is the kind of evidence your doctor would respect.

Testimonials

What Women Over 45 Are Saying

94%

Reported easier weight management within 8 weeks

89%

Noticed reduced belly bloating

91%

Experienced stable energy without jitters

87%

Said it worked when other supplements didn't

Every ingredient is third-party tested for purity and potency*
Video

WEEK 1-2: THE ADJUSTMENT

Title

Less bloating after meals

Reduced post-meal energy crashes

First signs of appetite regulation

Body begins adapting to calorie blocking

"I noticed I wasn't as hungry between meals by day 5."   - Verified User

WEEK 1-2: 
THE ADJUSTMENT

Title

Less bloating after meals

Reduced post-meal energy crashes

First signs of appetite regulation

Body begins adapting to calorie blocking

"I noticed I wasn't as hungry between meals by day 5."   - Verified User

WEEK 3-6: THE SHIFT

Title

Cravings noticeably reduced (especially sugar)

Energy more stable throughout the day

Clothes start feeling looser around waist

Digestive comfort improves

"By week 4, my jeans that were tight were suddenly comfortable again." - Verified User

WEEK 3-6: THE SHIFT

Title

Cravings noticeably reduced (especially sugar)

Energy more stable throughout the day

Clothes start feeling looser around waist

Digestive comfort improves

"By week 4, my jeans that were tight were suddenly comfortable again." - Verified User

WEEK 7-10: THE VISIBLE CHANGE

Title

Belly visibly flatter (especially mornings)

Face appears less puffy

Waist measurements decreasing

Compliments from friends/family

"My husband noticed before I did—asked if I'd lost weight."  - Verified User

WEEK 7-10: THE VISIBLE CHANGE

Title

Belly visibly flatter (especially mornings)

Face appears less puffy

Waist measurements decreasing

Compliments from friends/family

"My husband noticed before I did—asked if I'd lost weight."  - Verified User

WEEK 11-12: THE CLINICAL RESULT

Title

15cm² visceral fat reduction (clinical study result)

Weight stabilized at new, healthier level

Metabolism reset established

Confidence and control restored

"I feel like I have my body back. Finally." - Verified User

WEEK 11-12: THE CLINICAL RESULT

Title

15cm² visceral fat reduction (clinical study result)

Weight stabilized at new, healthier level

Metabolism reset established

Confidence and control restored

"I feel like I have my body back. Finally." - Verified User

⚠️ REAL TALK:

This is NOT a quick fix. This is NOT overnight transformation. 

Clinical studies show the full 15cm² visceral fat reduction occurs over 12 weeks. 

If you're looking for a magic pill that works in 7 days, this isn't it. 

If you're ready to commit to the same timeline Japanese researchers used in clinical trials—and get the same science-backed results—keep reading.

Questions From Women Just Like You

Will this work if HRT didn't help my weight?

Yes. HRT addresses hormones. FANCL addresses how your metabolism processes calories. They work on different mechanisms and can complement each other. 

HRT is excellent for hot flashes, mood, and bone health. But it doesn't directly target the metabolic shift that causes weight gain. That's where FANCL comes in. 

Many of our customers use both together successfully.

I'm 57—is this still effective at my age?

Absolutely. Clinical studies included women aged 45-65. The metabolic shift happens across this entire range.

 In fact, some of our best testimonials come from women in their late 50s and early 60s who finally found something that worked when everything else failed. 

Your body is never "too old" to respond to proper metabolic support.

How is this different from other supplements I've tried?

Most supplements target appetite or energy (usually with stimulants). 

FANCL targets the specific fat-storage mechanism that CHANGES after 45:

 - Blocks calorie absorption (25% reduction) 
- Regulates blood sugar spikes (20-30% improvement) 
- Burns visceral belly fat (15cm² clinical reduction)

 Plus: 
✓ Zero stimulants (no jitters, no crashes, no sleep disruption) 
✓ 4 clinically-studied compounds (not 1-2 generic ingredients)
 ✓ 20+ years of Japanese research (not a new trend)
 ✓ 2 million+ users in Japan (proven track record)

When will I see results?

Everyone's body responds differently, but clinical studies show:

 - Week 1-2: Reduced bloating, better energy 
- Week 3-6: Reduced cravings, clothes fitting better 
- Week 7-10: Visible belly flattening 
- Week 11-12: Measurable fat reduction (15cm² clinical result) 

The scale may not move dramatically in the first few weeks, but other markers improve first. Many women notice their clothes fit better before the scale shows significant change. 

This is because you're losing VISCERAL belly fat (the dangerous kind around your organs) rather than just water weight.

Is this safe with my medications?

FANCL contains food-grade botanical extracts and is generally well-tolerated.

However, if you're taking any prescription medications (especially for diabetes, blood pressure, or blood thinning), please consult your doctor before starting.

The ingredients can enhance blood sugar control, which may affect diabetes medication dosing.

 We always recommend showing your doctor the full ingredient list (available in the supplement facts section below) before starting any new supplement.

Do I need to diet or exercise while taking this?

FANCL works best when combined with generally healthy eating and moderate activity. 

You don't need to: 
❌ Count every calorie 
❌ Follow a restrictive diet plan 
❌ Exercise for hours every day 

You DO need to: 
✓ Eat reasonably balanced meals 
✓ Move your body regularly (even walking counts) 
✓ Stay hydrated 
✓ Get adequate sleep 

Think of FANCL as your metabolic shield that amplifies the results of healthy habits you're probably already doing. 

It's not a license to eat junk food all day—but it's also not a diet prison.

Why can't I just buy this on Amazon?

Great question. FANCL Adult Calorie Limit is a premium Japanese import that requires specialized handling and storage. 

Amazon's warehouses often expose supplements to extreme temperatures during shipping and storage, which can degrade the active compounds (especially the temperature-sensitive black ginger extract). 

We import directly from FANCL Japan, store in climate-controlled facilities, and ship fresh product to ensure maximum potency.

 Plus: We're the only authorized U.S. distributor, so any FANCL you see on Amazon is likely:
 - Old stock with near-expiration dates 
- Improperly stored (reduced potency) 
- Counterfeit (yes, it happens) 

When you order from JapansPrime, you get: 
✓ Fresh product (6+ months from expiration) 
✓ Proper storage and handling 
✓ 90-day money-back guarantee 
✓ Direct customer support from people who understand the product

Will this interact with my vitamins/supplements?

Generally safe to combine with most vitamins and supplements, with a few considerations:

SAFE TO COMBINE WITH:

  • ✅ Multivitamins (take 2+ hours apart for optimal absorption of fat-soluble vitamins)
  • ✅ Vitamin D, Vitamin C, B-Complex
  • ✅ Magnesium, Calcium, Zinc (minerals)
  • ✅ Omega-3 fish oil (take 2+ hours apart)
  • ✅ Probiotics
  • ✅ Protein powders
  • ✅ Creatine, BCAAs (if you use fitness supplements)

TIMING CONSIDERATIONS:

  • Fat-soluble vitamins (A, D, E, K): Take 2+ hours before or after FANCL since chitosan binds dietary fats
  • Omega-3s/Fish Oil: Same timing consideration (2+ hours apart)

PROBABLY REDUNDANT (but not harmful):

  • ❓ Berberine (works on similar glucose pathways)
  • ❓ Other carb/fat blockers (redundant mechanism)
  • ❓ Cinnamon extract (blood sugar support - complementary but not necessary)

CHECK WITH DOCTOR:

  • ⚠️ Any supplement for blood sugar (may have additive effects)
  • ⚠️ Fiber supplements (chitosan is already a fiber)

The key principle: Since FANCL reduces absorption, space it 2+ hours away from anything you WANT your body to absorb (like vitamins or medications).

I have digestive issues (IBS, Crohn's, etc.). Is this safe for me?

This depends on your specific condition and you should consult your gastroenterologist.

Potential Considerations:

FOR IBS:

  • Chitosan is a fiber and may affect bowel movements
  • Some IBS patients report improvement (less bloating)
  • Others report worsening (more gas, constipation)
  • Start with 1 serving/day to test tolerance

FOR IBD (Crohn's, Ulcerative Colitis):

  • Fiber can be problematic during flares
  • May be better tolerated during remission
  • Discuss with your GI doctor before starting

FOR GERD/Acid Reflux:

  • Generally well-tolerated
  • Blood sugar control may actually help reduce reflux triggers
  • Take with adequate water

FOR GASTROPARESIS:

  • Tablets are small and easy to swallow
  • Slowing carb digestion might worsen symptoms
  • Discuss with your doctor

General Advice:

  • Start with 1 serving/day to assess tolerance
  • Take with 8-12oz water
  • If you experience worsening digestive symptoms, discontinue

Better safe than sorry—check with your GI specialist if you have diagnosed digestive conditions.

Do I need to take this forever?

No, but many people choose to continue long-term. Here's why:

The Reality of Metabolism:

Your metabolism naturally declines 2-3% per decade after 30. This decline doesn't stop just because you used FANCL for a few months.

Think of FANCL like:

  • 👓 Reading glasses - You need them because your eyes changed with age. You can take them off, but you'll need them again to read.
  • 🦷 Dental care - You don't brush your teeth for 3 months then stop. It's ongoing maintenance.
  • 💊 Blood pressure medication - Treats a chronic condition, not a temporary problem.

Three Usage Scenarios:

SCENARIO 1: Short-term use (3-6 months)

  • Goal: Break through a plateau or lose specific amount of weight
  • Approach: Use intensively during active weight loss phase
  • Transition: Stop once you hit goal weight, manage with diet/exercise
  • Risk: May experience some regain once metabolic support is removed

SCENARIO 2: Cyclical use

  • Goal: Maintenance with strategic support
  • Approach: Use during high-risk periods (holidays, vacations, stressful times)
  • Transition: Take breaks during stable periods
  • Works well for: People with good baseline habits who just need occasional support

SCENARIO 3: Long-term ongoing use (indefinite)

  • Goal: Continuous metabolic support as you age
  • Approach: Treat it like a daily vitamin—part of your routine
  • Philosophy: "I take this because my metabolism needs support, just like I take vitamin D because I don't get enough sun"
  • Works well for: People who accept aging metabolism as a chronic condition requiring ongoing support

Most Common Pattern:

  • Start intensively (2-3x daily) for first 3-6 months
  • Transition to maintenance (1x daily) for ongoing support
  • Take breaks occasionally to reassess if still needed
  • Resume if weight starts creeping back up

Customer data shows:

  • 40%+ continue using beyond 12 months
  • Most don't "need" it forever, but choose it because results matter

You're not trapped—you're choosing ongoing support for your changing metabolism.
Product not found

We understand supplement skepticism.

You've been burned before by products that overpromised and underdelivered. That's why we're giving you 90 FULL DAYS to experience FANCL Adult Calorie Limit for yourself—completely risk-free. Here's how it works:

 

📅 USE IT FOR UP TO 90 DAYS

Take FANCL consistently as directed. Give your metabolism time to respond. See if you feel more in control.

 

📊 EVALUATE YOUR RESULTS

After 90 days, ask yourself: 

 • Is my weight more stable than before? 

 • Do I feel more in control? 

 • Am I seeing the metabolic support I expected?

 

💰 GET 100% REFUND IF NOT SATISFIED 
 If you're not satisfied for ANY reason: 
 • Email support@japansprime.com 
 • Tell us it didn't work for you 
 • We'll refund every penny within 3-5 business days
 • Even if the bottles are empty

 

No hassle. No hoops. No passive-aggressive customer  service.

 

WHY 90 DAYS INSTEAD OF 30?
 Because metabolic support takes time. 

- Week 1-2: Digestive improvements, reduced bloating
- Week 3-4: Blood sugar stabilization, energy improvements 
- Week 5-8: Visible body composition changes 
- Week 9-12: Measurable fat reduction (clinical timeline) 

If we only gave you 30 days, you'd barely reach the timeframe where clinical results emerge. 

We want you to experience the FULL metabolic support effects before deciding. 

WHY WE CAN OFFER THIS GUARANTEE: 
Because 85% of customers who use FANCL for 90 days choose to reorder. The clinical evidence works. The real-world results prove it. The 20-year track record speaks for itself. We're not worried about the 15% who don't respond—we'd rather refund them than have them feel deceived. Your trust matters more than a single sale.

Simple to Use. Strategic for Results.

Unlike complicated supplement protocols or rigid meal plans, FANCL Adult Calorie Limit is refreshingly straightforward:

Step 1:

Timing

Take 3 tablets with a full glass of water 15-30 minutes before eating
 

Why timing matters: This allows the ingredients to be in position when your meal arrives for maximum effectiveness

Step 2:

Frequency

Use 1-3 times daily, depending on your needs and meal patterns
 

You have flexibility: This isn't a rigid protocol—adapt it to your lifestyle

Step 3:

Consistency

Use regularly for best results (most users report optimal benefits after 8-12 weeks)

 

Why consistency matters: Metabolic support compounds over time

Usage Patterns by Goal

FOR WEIGHT MAINTENANCE

→ Take once daily before your largest or highest-calorie meal
→ One 30-serving pouch lasts 30 days
→ Best for: People at goal weight who want to maintain stability

FOR ACTIVE WEIGHT MANAGEMENT

→ Take twice daily before lunch and dinner
→ One pouch lasts 15 days
→ Best for: People actively working to reduce weight and break through plateaus

FOR MAXIMUM SUPPORT

→ Take three times daily before breakfast, lunch, and dinner
→ One pouch lasts 10 days
→ Best for: People with significant metabolic challenges or dealing with medications that cause weight gain

 

FOR STRATEGIC USE

→ Take as needed before high-calorie situations (restaurants, social events, travel meals)
→ Duration varies based on frequency
→ Best for: People who eat clean most of the time but want support for occasional indulgences

Pro Tips for Success

Tip #1: Hydration is Key
Drink a full 8-12 oz glass of water with your tablets. Chitosan and other fibers work best when adequately hydrated.

 

Tip #2: Don't Wait Until After Eating
The ingredients need time to be in position before food arrives. Taking it during or after meals significantly reduces effectiveness.

 

Tip #3: Track Your Progress Beyond the Scale
Many users notice:

  • Reduced bloating after meals (weeks 1-2)
  • More stable energy levels (weeks 2-4)
  • Clothes fitting better (weeks 4-8)
  • Measurable fat loss (weeks 8-12+)

The scale may not move immediately, but other markers improve first.

 

Tip #4: Pair with Adequate Protein
For best body composition results, ensure you're getting adequate protein (0.7-1g per pound of body weight) to preserve muscle while supporting fat metabolism.

 

Tip #5: Be Patient with Hormonal Changes
If you're dealing with menopause, thyroid issues, or PCOS, your body may take longer to respond. Give it the full 12 weeks before making judgments.

 

Tip #6: You Don't Have to Be Perfect
This isn't about perfection. If you forget a dose, just take it next time. If you miss a few days, restart without guilt. Consistency over time matters more than perfection.

 

What to Expect (Realistic Timeline):

 

WEEKS 1-2: Digestive Comfort

  • Less post-meal bloating
  • Reduced feeling of "food sitting heavy"
  • More comfortable digestion
  • Subtle energy improvements

WEEKS 3-4: Metabolic Stabilization

  • Weight fluctuations become less erratic
  • Reduced post-meal energy crashes
  • Better appetite regulation
  • Less intense cravings

WEEKS 5-8: Visual Changes Begin

  • Clothes start fitting better
  • Waist measurements may decrease
  • Face may look less puffy
  • Body composition shifts (even if scale doesn't move dramatically)

WEEKS 9-12: Measurable Results

  • Visible fat reduction (especially abdominal area)
  • Clinical studies show 15 cm² visceral fat reduction by this point
  • Improved blood work markers (if you get labs done)
  • Established new metabolic baseline

BEYOND 12 WEEKS: Long-Term Maintenance

  • Weight stability becomes easier
  • Less vigilance required
  • Metabolic support is now part of your routine
  • Many users continue indefinitely for ongoing support

What NOT to Expect:

 

❌ Overnight transformation - This supports gradual, sustainable weight management

❌ Dramatic rapid weight loss - Expect 0.5-1.5 lbs per week maximum (healthy rate)

❌ Magic pill that overrides terrible habits - This works WITH your efforts, not instead of them

❌ Complete elimination of the need for healthy choices - Moderation still matters

 

 

What TO Expect:

 

✅ Reduced calorie absorption from meals (15-25% clinically measured)

✅ Better blood sugar control after eating (20-30% reduction in spikes)

✅ Enhanced fat metabolism supporting gradual fat loss

✅ More metabolic flexibility to handle occasional higher-calorie situations

✅ Reduced anxiety around food and weight management

✅ Sustainable support you can use as long as needed

 

Special Considerations:

 

If you're on diabetes medication: Monitor blood sugar closely as this may enhance the effects of your medication. Consult your doctor before starting.

If you're pregnant or nursing: Do NOT use this product.

If you have shellfish allergies: This product contains crustacean-derived chitosan and is NOT suitable for you.

If you're under 18: This formula is designed for adult metabolism and is not appropriate for children or teens.

Allergen Information (Critical):

CONTAINS: Crustacean-derived chitosan (from crab/shrimp shells)

 

FREE FROM:

  • Gluten
  • Dairy
  • Soy
  • Tree nuts
  • Peanuts
  • Eggs
  • Fish (chitosan is from crustaceans, not fish)

If you have shellfish allergies, DO NOT use this product.

 

What You WON'T Find in FANCL:

 

❌ Artificial sweeteners
❌ Artificial colors (FD&C dyes)
❌ Artificial preservatives (BHA, BHT, sodium benzoate)
❌ Magnesium stearate (some believe it reduces absorption)
❌ Titanium dioxide
❌ Unnecessary binders and excipients
❌ "Proprietary blends" with hidden dosages

 

The FANCL Guarantee:

 

What's on the label is what's in the bottle.

 

In an industry notorious for mislabeling and under-dosing, FANCL's reputation is built on absolute transparency and consistency.

Independent testing by Consumer Lab and other third parties has repeatedly verified FANCL products contain exactly what the label claims—no more, no less.

 

This is the difference between a supplement you can trust and one you should question.

Manufacturing Certifications:

This formula was designed for adults experiencing metabolic changes that make weight management increasingly difficult. You're an ideal candidate if you identify with any of these situations:

GMP Certified 

What this means: Consistent dosing, contamination controls, quality checkpoints at every stage

FSSC 22000 

What this means: From farm to bottle, every step is monitored and controlled

ISO 22000

What this means: World-class safety protocols, independent verification, ongoing audits

Made in Japan

What this means: Japanese manufacturing standards, full supply chain traceability, no outsourcing to questionable facilities

From Japanese Gardens to Your Doorstep

Our Purity Promise

Pharmaceutical-Grade Quality Meets Ancient Botanical Wisdom

Harvest:  Hand-selected botanicals from certified organic Japanese farms where soil quality is tested quarterly.

Processing: Patented low-temperature extraction preserves heat-sensitive compounds (unlike cheap Chinese bulk extracts that use harsh chemicals)

Processing: Manufactured in FDA-registered, GMP-certified facilities with the same standards used for prescription medications.

Rebecca M. - Creative Director

Verified Buyer

“Why 2,000,000+ Choose Fancl Fat Burner Over American "Fat Burners”
 

Its Simple, easy & it actually works.

   Extra gifts, extra joy   

Shop 2 Pouches,
Enjoy 1 Free Gifts

Buy 3 Pouches

$70/pouch

$210
Title

FIRST TIME PURCHASE INCLUDES:

3 Pouches

will be $34/pouch instead of 70$

1 Free Pouch +  Special discount
Title

Total

$210

$99.98

Fuel Your Wellness

10-Day Easy Returns and Exchanges

   Nature’s daily boost   

Your Body Changed. Your Defense Changes Too.

You can't reverse menopause.  
You can't turn back the metabolic clock.

But you CAN give your body the support it needs for this new chapter.

 

The choice is yours:

 

OPTION 1: Keep doing what you've been doing
- Watch your weight continue to climb 2-5 lbs per year
- Feel increasingly frustrated as nothing works  
- Accept that "this is just how it is after 45"
- Miss out on activities you used to enjoy
- Feel trapped in a body that won't respond

 

OPTION 2: Give your metabolism the shield it's asking for
- Start blocking 15-25% of calorie absorption from meals
- Support healthy blood sugar control (20-30% improvement)
- Enhance fat metabolism to compensate for age-related decline  
- See measurable results over 12 weeks (like 4,200+ verified customers)
- Regain confidence and control

 

You have 90 days to test this with ZERO RISK.

Either you experience the metabolic support you need...  
Or you get your money back.

What do you have to lose—except the weight you want to manage?

4.2/5 based on 4.2k+ Real Customers

Rating is verified by real users only

Trusted daily by happy users

Burned that Fat

This is my favorite diet supplement these days. If I take too much, my stomach gets loose, so I take it little by little. On the other hand, I feel like it's really cutting down on fat. It's reasonably priced, so I'll keep taking it...

Chonan

Verified Buyer

Lost 8kg

I carry it with me every day! It's like a lucky charm! Thanks to "Adult Calorie Limit," I haven't gained a lot of weight even on days when I eat a lot! I lost 8kg in about 3 months...

maiiiiie

Verified Buyer

Wellness Boost

This doesn't make you lose weight, but even if you binge eat, you won't gain weight. Seriously. I think this is more effective than regular calorie limiting. I usually have green juice or yogurt drink in the morning...

Sarah L.

Verified Buyer

   Nature’s daily boost   

How is this different from "fat burners" I can buy at GNC or Walmart?

The differences are substantial:

 

Most fat burners:

  • Use stimulants (caffeine 200-400mg, synephrine, yohimbine) that cause jitters and crashes
  • Contain 1-2 generic ingredients with inconsistent dosing
  • Have zero clinical research backing their specific formula
  • Use "proprietary blends" that hide actual ingredient amounts
  • Only work through stimulation (temporary effect)

FANCL Adult Calorie Limit:

  • ✅ Completely stimulant-free
  • ✅ Four clinically-studied ingredients at precise doses
  • ✅ Four separate published clinical trials
  • ✅ Complete label transparency (exact amounts listed)
  • ✅ Dual mechanism: blocks absorption + enhances fat metabolism
  • ✅ Pharmaceutical-grade GMP manufacturing
  • ✅ Government-notified health claims (Japan E864)
  • ✅ 20+ year track record with 2M+ users

The biggest difference: This addresses the ROOT CAUSE (changing metabolism) instead of just artificially stimulating energy expenditure.

Can I take this if I'm on medication (diabetes, blood pressure, etc.)?

A: This depends entirely on your specific medications and health conditions.

 

YOU MUST CONSULT YOUR DOCTOR BEFORE STARTING if you:

Have diabetes or pre-diabetes

  • Mulberry leaf affects blood glucose levels
  • May enhance effects of metformin, insulin, or other diabetes medications
  • Risk of hypoglycemia if not monitored

Take blood pressure medications

  • Potential for interactions with metabolic changes
  • Doctor should monitor blood pressure during initial weeks

Take thyroid medication

  • Generally safe to combine, but thyroid levels should be monitored
  • Metabolic changes may affect thyroid medication effectiveness

Take blood thinners

  • Chitosan may affect absorption of fat-soluble medications
  • Timing of doses needs to be coordinated

Take cholesterol medications

  • Chitosan affects lipid absorption
  • May enhance statin effects

Take any prescription medications

  • General rule: Always inform your doctor before starting any supplement
  • Many medications are fat-soluble and could have altered absorption

SAFE WITH (generally, but still inform your doctor):

  • Most vitamins and supplements
  • Birth control pills (take 2+ hours apart to be safe)
  • Pain relievers (acetaminophen, ibuprofen)

Do I need to diet or exercise while taking this?

A: No strict diet or intense exercise required—but let's be realistic about expectations.

 

What FANCL Does:

  • Reduces calorie absorption by 15-25%
  • Improves blood sugar control by 20-30%
  • Enhances fat metabolism

What FANCL Doesn't Do:

  • Completely override terrible eating habits
  • Replace the need for any movement at all
  • Create results with zero behavior changes

The Best Results Come From:

 

Eating:

  • Generally mindful portions (not unlimited, not restrictive)
  • Adequate protein (0.7-1g per lb bodyweight for body composition)
  • Mostly whole foods with occasional indulgences
  • Consistent meal timing (doesn't have to be perfect)

Moving:

  • 20-30 minutes daily activity (even just walking)
  • Resistance training 2-3x/week (preserves muscle during fat loss)
  • Daily life movement (taking stairs, parking farther, etc.)

Living:

  • 7-8 hours of sleep (crucial for metabolism)
  • Stress management (cortisol affects fat storage)
  • Adequate hydration (supports all metabolic processes)

Think of it this way:

  • Diet alone = 70% of results
  • Exercise alone = 20% of results
  • FANCL adds = 10-20% boost to your existing efforts

FANCL makes your existing healthy habits MORE EFFECTIVE. It doesn't replace them.

That said, customers with medical limitations (chronic pain, mobility issues, injuries) report benefits even with minimal exercise—because it supports metabolism through non-activity-dependent mechanisms.

I'm allergic to shellfish. Can I take this?

A: Unfortunately, no. This product is NOT safe for shellfish allergies.

 

Why: The chitosan in this formula is derived from crustacean shells (crab/shrimp). While it's processed and purified, it still contains shellfish proteins that can trigger allergic reactions.

If you have a shellfish allergy:

  • ❌ Do NOT take this product
  • ❌ Do not "test" a small dose to see if you react
  • ❌ Do not take it even if your allergy is "mild"

The risk is not worth it. Even trace amounts can trigger reactions ranging from hives to anaphylaxis in sensitive individuals.

Alternative Options: If you're specifically interested in the blood sugar control mechanism (mulberry leaf), FANCL offers other products without shellfish-derived ingredients. Contact customer support for recommendations.

Our priority is your safety—not making a sale.

How long does one bottle last, and when will I see results?

Duration:

One pouch contains:

  • 90 tablets
  • 30 servings (3 tablets per serving)
  • Duration depends on your usage frequency:

Usage Pattern:
 

How Long It Lasts
1 serving/day (once daily): 30 days

2 servings/day (twice daily):15 days

3 servings/day (three times daily): 10 days

 

Most customers take it 1-2 times daily, meaning one pouch lasts 15-30 days.

 

Timeline for Results:

 

IMMEDIATE (Within 2 hours of taking):

  • ✅ Sugar/fat absorption blocking is active
  • ✅ Post-meal blood glucose and triglyceride control

You won't "feel" this happening, but it's working at the digestive level

WEEK 1-2:

  • ✅ Reduced post-meal bloating (most commonly noticed first)
  • ✅ Feeling "lighter" after meals
  • ✅ Less pronounced food coma effect
  • ✅ Reduced gas and digestive discomfort

Early digestive comfort improvements

WEEK 3-4:

  • ✅ More stable energy throughout the day
  • ✅ Fewer cravings (due to better blood sugar control)
  • ✅ Weight fluctuations become less erratic
  • ✅ May notice pants fitting slightly better

Metabolic stabilization phase

WEEK 5-8:

  • ✅ Visible changes in body composition
  • ✅ Clothes fitting noticeably better
  • ✅ Face may look less puffy
  • ✅ Weight trend moving in desired direction (though may be slow)

Visual changes emerge

WEEK 9-12:

  • ✅ Measurable fat reduction (especially abdominal area)
  • ✅ Clinical studies show 15 cm² visceral fat loss by this point
  • ✅ If tracking: improved fasting glucose, triglycerides, A1C
  • ✅ Established new metabolic baseline

Clinical results timeline

BEYOND 12 WEEKS:

  • ✅ Continued gradual improvement
  • ✅ Long-term weight stability becomes easier to maintain
  • ✅ Many users continue indefinitely for ongoing metabolic support

REALISTIC WEIGHT LOSS EXPECTATIONS:

If actively losing weight:

  • Healthy rate: 0.5-1.5 lbs per week
  • Over 12 weeks: 6-18 lbs (depending on starting point and adherence)
  • Not dramatic, but SUSTAINABLE

If maintaining weight:

  • Goal: scale stability (no continued creep)
  • Success = maintaining within 3-5 lb range despite aging metabolism

Why the slow timeline?

This isn't a crash diet. This is metabolic support that works WITH your body's natural processes. Fast results typically:

  • Come from water loss (not fat)
  • Aren't sustainable long-term
  • Often lead to rebound weight gain

Slow and steady wins the race when it comes to lasting results.

Where is this manufactured, and what about FDA approval?

100% Made in Japan

  • Manufactured in FANCL's own GMP-certified facilities
  • Multiple pharmaceutical-grade production sites:
    • Biholon Co., Ltd. (Toyama)
    • FANCL Beauty & Health (Chiba)
    • FANCL Biken (Shizuoka)

Quality Certifications:

  • ✅ GMP (Good Manufacturing Practice) - pharmaceutical standards
  • ✅ FSSC 22000 - food safety system certification
  • ✅ ISO 22000 - international food safety standards

Every batch:

  • Tested for purity, potency, and contaminants
  • Includes lot tracking for complete traceability
  • Third-party laboratory verified

About "FDA Approval":

Important Clarification:

The FDA does NOT "approve" dietary supplements the way it approves prescription drugs.

Under US law (DSHEA - Dietary Supplement Health and Education Act):

  • Manufacturers are responsible for safety before marketing
  • FDA monitors products AFTER they reach market (post-market surveillance)
  • FDA takes action only if safety issues are reported

What This Product HAS:

✅ Japanese Government Notification (E864)

  • Submitted clinical research evidence to Consumer Affairs Agency
  • Government reviewed safety and efficacy data
  • Approved specific health claims based on evidence
  • This is MORE regulatory scrutiny than typical US supplements receive

✅ GMP Manufacturing Certification

  • Pharmaceutical-grade production standards
  • Independently audited facilities
  • Consistent quality and safety controls

✅ Published Clinical Trials

  • Four studies in peer-reviewed medical journals
  • Double-blind, placebo-controlled research
  • Publicly available data (not hidden "proprietary" research)

✅ Third-Party Testing

  • Every batch verified by independent laboratories
  • Certificate of analysis available on request

Legal Disclaimer (Required by US Law):

These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

What this means in plain English:

  • FANCL cannot claim to "treat" or "cure" obesity or diabetes (those are disease claims requiring drug approval)
  • FANCL CAN support healthy metabolism, blood sugar management, and weight management (structure/function claims)
  • The clinical research shows real metabolic effects—we just can't use medical disease language in marketing

Why Trust FANCL?

While US supplements have minimal oversight, FANCL voluntarily:

  • Conducts expensive clinical trials (most companies don't)
  • Submits to government review in Japan (not required in US)
  • Manufactures in pharmaceutical-grade facilities (most use generic contract manufacturers)
  • Provides complete transparency on ingredients and dosing (no "proprietary blends")
  • Has 20+ year track record with 2M+ users (real-world safety data)

FANCL goes far beyond minimum requirements because reputation matters more than cutting corners.

What if I forget to take it before a meal?

A: Don't stress about perfection. Here's what to do:

 

If you remember DURING your meal (within first 10 minutes): → Go ahead and take it. You'll still get some benefit, though slightly reduced effectiveness.

 

If you remember AFTER finishing your meal: → Skip that dose. Taking it post-meal provides minimal benefit since food is already being digested.

 

If you miss a day or several days: → Just restart when you remember. No need to "double up" or take extra. Consistency over time matters more than perfection.

 

Think of FANCL like:

  • Brushing your teeth - If you miss one night, you don't brush twice the next night
  • Taking vitamins - Missing a dose doesn't require "catching up"

The goal is consistency, not perfection.

Most successful users:

  • Take it before their 1-2 largest meals
  • Don't worry if they occasionally forget
  • Get back on track the next meal
  • Focus on weekly/monthly consistency rather than daily perfection

Can I take this while pregnant or breastfeeding?

A: NO. Do not use this product if you are pregnant or nursing.

Why:

  • Clinical studies were not conducted on pregnant/nursing women
  • Changes in metabolism and blood sugar could affect fetal development
  • Effects on breast milk composition are unknown
  • Safety profile has not been established for developing infants

Pregnancy and breastfeeding are NOT the time to experiment with metabolic modifiers.

Alternative Approaches During Pregnancy/Nursing:

  • Focus on balanced, adequate nutrition (this is not the time for weight management)
  • Work with your OB/GYN on gestational weight gain goals
  • Address postpartum weight after you've finished breastfeeding

When You Can Start:

  • Wait until you've completely finished breastfeeding
  • Discuss with your doctor at your postpartum checkup
  • Consider waiting 3-6 months postpartum to allow hormones to stabilize

Your baby's health is the priority. Weight management can wait.

Will this interact with my vitamins/supplements?

Generally safe to combine with most vitamins and supplements, with a few considerations:

SAFE TO COMBINE WITH:

  • ✅ Multivitamins (take 2+ hours apart for optimal absorption of fat-soluble vitamins)
  • ✅ Vitamin D, Vitamin C, B-Complex
  • ✅ Magnesium, Calcium, Zinc (minerals)
  • ✅ Omega-3 fish oil (take 2+ hours apart)
  • ✅ Probiotics
  • ✅ Protein powders
  • ✅ Creatine, BCAAs (if you use fitness supplements)

TIMING CONSIDERATIONS:

  • Fat-soluble vitamins (A, D, E, K): Take 2+ hours before or after FANCL since chitosan binds dietary fats
  • Omega-3s/Fish Oil: Same timing consideration (2+ hours apart)

PROBABLY REDUNDANT (but not harmful):

  • ❓ Berberine (works on similar glucose pathways)
  • ❓ Other carb/fat blockers (redundant mechanism)
  • ❓ Cinnamon extract (blood sugar support - complementary but not necessary)

CHECK WITH DOCTOR:

  • ⚠️ Any supplement for blood sugar (may have additive effects)
  • ⚠️ Fiber supplements (chitosan is already a fiber)

The key principle: Since FANCL reduces absorption, space it 2+ hours away from anything you WANT your body to absorb (like vitamins or medications).

I have digestive issues (IBS, Crohn's, etc.). Is this safe for me?

This depends on your specific condition and you should consult your gastroenterologist.

Potential Considerations:

FOR IBS:

  • Chitosan is a fiber and may affect bowel movements
  • Some IBS patients report improvement (less bloating)
  • Others report worsening (more gas, constipation)
  • Start with 1 serving/day to test tolerance

FOR IBD (Crohn's, Ulcerative Colitis):

  • Fiber can be problematic during flares
  • May be better tolerated during remission
  • Discuss with your GI doctor before starting

FOR GERD/Acid Reflux:

  • Generally well-tolerated
  • Blood sugar control may actually help reduce reflux triggers
  • Take with adequate water

FOR GASTROPARESIS:

  • Tablets are small and easy to swallow
  • Slowing carb digestion might worsen symptoms
  • Discuss with your doctor

General Advice:

  • Start with 1 serving/day to assess tolerance
  • Take with 8-12oz water
  • If you experience worsening digestive symptoms, discontinue

Better safe than sorry—check with your GI specialist if you have diagnosed digestive conditions.

Do I need to take this forever?

No, but many people choose to continue long-term. Here's why:

The Reality of Metabolism:

Your metabolism naturally declines 2-3% per decade after 30. This decline doesn't stop just because you used FANCL for a few months.

Think of FANCL like:

  • 👓 Reading glasses - You need them because your eyes changed with age. You can take them off, but you'll need them again to read.
  • 🦷 Dental care - You don't brush your teeth for 3 months then stop. It's ongoing maintenance.
  • 💊 Blood pressure medication - Treats a chronic condition, not a temporary problem.

Three Usage Scenarios:

SCENARIO 1: Short-term use (3-6 months)

  • Goal: Break through a plateau or lose specific amount of weight
  • Approach: Use intensively during active weight loss phase
  • Transition: Stop once you hit goal weight, manage with diet/exercise
  • Risk: May experience some regain once metabolic support is removed

SCENARIO 2: Cyclical use

  • Goal: Maintenance with strategic support
  • Approach: Use during high-risk periods (holidays, vacations, stressful times)
  • Transition: Take breaks during stable periods
  • Works well for: People with good baseline habits who just need occasional support

SCENARIO 3: Long-term ongoing use (indefinite)

  • Goal: Continuous metabolic support as you age
  • Approach: Treat it like a daily vitamin—part of your routine
  • Philosophy: "I take this because my metabolism needs support, just like I take vitamin D because I don't get enough sun"
  • Works well for: People who accept aging metabolism as a chronic condition requiring ongoing support

Most Common Pattern:

  • Start intensively (2-3x daily) for first 3-6 months
  • Transition to maintenance (1x daily) for ongoing support
  • Take breaks occasionally to reassess if still needed
  • Resume if weight starts creeping back up

Customer data shows:

  • 40%+ continue using beyond 12 months
  • Most don't "need" it forever, but choose it because results matter

You're not trapped—you're choosing ongoing support for your changing metabolism.

Try It Risk-Free: Our 60-Day Metabolic Support Guarantee

We understand supplement skepticism. You've been burned before by products that overpromised and underdelivered.

 

That's why we're giving you TWO FULL MONTHS to experience FANCL Adult Calorie Limit for yourself—completely risk-free.

Title

2M+

FANCL User Groups

60%+

Returning Customers

10M+

Monthly Visits

How Our Guarantee Works:
 

📅 60-Day Trial Period
Use FANCL consistently for up to 60 days. Take the tablets before meals as directed. Give your metabolism time to respond.
 

📊 Evaluate Your Results

After 60 days, ask yourself:

  • Is my weight more stable than before?
  • Do I feel more in control?
  • Am I seeing the metabolic support I expected?
     

💰 Get 100% Refund if Not Satisfied

If you're not satisfied for ANY reason:

  • Email info@japansprime.com
  • Tell us it didn't work for you
  • We'll refund every penny within 3-5 business days
  • Even if the bottles are empty

No hassle. No hoops to jump through. No passive-aggressive customer service making you feel bad.
 

Why 60 Days Instead of 30?

Because metabolic support takes time.
 

Week 1-2: Digestive improvements, reduced bloating
Week 3-4: Blood sugar stabilization, energy improvements
Week 5-8: Visible body composition changes
Week 9-12: Measurable fat reduction (clinical timeline)
 

If we only gave you 30 days, you'd barely reach the timeframe where clinical results emerge.
 

We want you to experience the FULL metabolic support effects before deciding.
 

Why We Can Offer This Guarantee:
 

Because 85% of customers who use FANCL for 60 days choose to reorder.

The clinical evidence works. The real-world results prove it. The 20-year track record speaks for itself.

We're not worried about the 15% who don't respond—we'd rather refund them than have them feel deceived.
 

Your trust matters more than a single sale.
 

What This Guarantee Covers:

✅ 1 pouch or 3-pouch bundle - Get refund on all pouches purchased
✅ First-time customers - Guarantee applies to your first order
✅ Used or unused product - We don't care if bottles are empty
✅ Any reason - Even "I changed my mind" qualifies

 

What This Guarantee Doesn't Cover:

❌ Orders beyond the first purchase (to prevent abuse)
❌ Requests beyond 60 days from delivery date
❌ Shipping costs (you only get product price refunded)

 

How to Claim Your Refund:
STEP 1: Email info@japansprime.com with subject "60-Day Guarantee Request"

STEP 2: Include your order number and brief explanation (one sentence is fine)

STEP 3: We process refund within 3-5 business days (no return shipping needed)
 

That's it. Simple as that.
 

The Bottom Line:

You have 60 days to test this with ZERO RISK.

Either you experience the metabolic support you need...

Or you get your money back.

What do you have to lose—except the weight you want to manage?
 

[Try FANCL Risk-Free for 60 Days]

🔒 100% money-back guarantee | 💳 Secure checkout | 📦 Ships within 48 hours

Choose Your Metabolism Support Plan

Most successful users see the best results after 2-3 months of consistent use. That's why we reward commitment with our best pricing on multi-month supplies.

Title

Current Status: ⚠️ Limited U.S. inventory from first international shipment

Title

   Extra gifts, extra joy   

Shop 2 Pouches,
Enjoy 1 Free Gifts

Buy 3 Pouches

$70/pouch

$210
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FIRST TIME PURCHASE INCLUDES:

3 Pouches

will be $34/pouch instead of 70$

1 Free Pouch +  Special discount
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Total

$210

$99.98

Fuel Your Wellness

10-Day Easy Returns and Exchanges

Special Discount

Fast Shipping

Satisfaction Guaranteed

Fast Customer Support

P.S. - Still unsure? Here are the facts:

✓ Japan's #1 metabolism support formula for 8 consecutive years 
✓ 2 million+ Japanese users (proven track record) 

✓ 4 clinical studies published in peer-reviewed journals 

✓ 15cm² visceral belly fat reduction in 12 weeks (clinical result) 

✓ Zero stimulants (no jitters, no crashes) 

✓ 90-day money-back guarantee (try the full clinical timeline) 

 

The only question is: Are you ready to feel in control again?

 Yes, I'm Ready - Lock In My Supply

2,000,000+

Happy Customers

4.2 Stars rating

Fuel Your Wellness

Legal Disclaimers:

These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

This product is registered with the Japanese Consumer Affairs Agency as a Food with Function Claims (Notification #E864). Individual results may vary. Results from clinical studies represent average outcomes and do not guarantee specific individual results.

A balanced diet, regular physical activity, and adequate sleep are essential components of healthy weight management. FANCL Adult Calorie Limit is designed to support these efforts, not replace them.

Allergen Warning: Contains crustacean-derived chitosan (from crab/shrimp shells). Do not use if allergic to shellfish.

Consult your physician before use if you are pregnant, nursing, taking prescription medications (especially diabetes or blood pressure medications), or have a diagnosed medical condition.

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