Key Takeaways
Six Functional Ingredients
Contains Black Ginger Polymethoxyflavone, Mulberry Leaf Iminosugar, Chitosan, Tea Flower Saponin, Rosehip Tiliroside, and Plant Lactic Acid Bacteria working synergistically as a carb and fat blocker.
Simple Once-Daily Routine
Just 4 small tablets once daily before your heaviest meal - the easiest carb blocker routine for busy lifestyles.
Certified & Patented
Registered Functional Food in Japan with two patented ingredient combinations and independently evaluated research on each component.
Trusted Japanese Brand
From FANCL Health Science, one of Japan's most recognized wellness brands - the strongest formula in their Calorimit series history.
Best For Elevated BMI
Designed for those seeking to support healthy body composition, fat metabolism, and digestive comfort while enjoying everyday meals.
Ranked #1 in Japan
Top-ranked on Rakuten in the diet supplement category with enthusiastic feedback from pre-launch consumer monitors.
Is This Right For You?
Recommended For
Premium Calorimit is designed for those seeking an evidence-based carb blocker to support healthy weight management and digestive comfort.
If you're looking for a reliable carb blocker to help manage carbohydrate absorption from your daily meals without strict dieting.
If you've noticed your BMI gradually increasing and want evidence-based support for healthy body composition and weight management.
If you want to enjoy meals with friends and family without worrying about excess sugar and fat absorption from food.
If you're experiencing slower metabolism as you age and finding it increasingly harder to maintain your desired weight.
If you're dealing with irregular bowel movements and seeking gentle digestive support alongside your weight management goals.
If you want a Japanese Functional Food with clinically researched ingredients rather than unverified carb blocker supplements.
If you're seeking a carb and fat blocker that addresses multiple concerns - absorption, metabolism, BMI, and digestion - in one product.
If you prefer a simple daily routine of just 4 tablets once a day with no complicated dosing schedules or multiple products.
Why It Works
Benefits
Premium Calorimit delivers six distinct functions through its patented ingredient combination, targeting carbs, fat, metabolism, and digestive health.
Block Carb & Sugar Absorption
A patented combination of Mulberry Leaf Iminosugar, Chitosan, and Tea Flower Saponin helps suppress sugar absorption from meals. Research conducted on 40 healthy Japanese adults showed this combination suppressed post-meal blood sugar rises compared to controls. This carb blocker function supports managing the impact of carbohydrate-rich foods like rice, bread, and pasta.
Patented ingredient combinationSuppress Dietary Fat Absorption
Tea Flower Saponin helps suppress the absorption of dietary fat from meals. In a study of 28 healthy Japanese adults, this ingredient helped suppress blood triglyceride increases after a fat-containing meal, including hamburger and fried potatoes. This makes Premium Calorimit a true carb and fat blocker that addresses both macronutrients in one formula.
Research-backed ingredientSupport Healthy Fat Metabolism
Black Ginger-derived Polymethoxyflavone helps support fat metabolism and makes stored fat easier to burn during daily activities. Research on healthy Japanese men showed increased fat consumption ratios during physical activity. This ingredient also supports the reduction of abdominal fat area in those with elevated BMI over continued use.
Clinically studied ingredientSupport BMI Reduction & Digestive Comfort
Rosehip-derived Tiliroside supports weight and abdominal fat reduction in those with elevated BMI (25.0 to under 30.0). A 12-week study of 32 adults showed reduced total abdominal fat area. Additionally, Plant-based Lactic Acid Bacteria K-1 (L. casei 327) at 50 billion organisms supports improved bowel movements for daily digestive comfort.
Functional Food certifiedThe Science
How It Works
Understanding how Premium Calorimit's six functional ingredients work through three distinct mechanisms.
Sugar & Fat Absorption Blocking
Mulberry Leaf Iminosugar (1.75mg) and Chitosan (100mg), together with Tea Flower Saponin (0.85mg), help suppress the absorption of sugars from carbohydrate-rich foods. Tea Flower Saponin additionally helps suppress the absorption of dietary fats.
Research on healthy Japanese adults confirmed suppressed post-meal blood sugar and blood triglyceride increases. Two patents (No. 6633173 and No. 5969680) protect this specific ingredient combination.
Fat Metabolism & Abdominal Fat Reduction
Research published in a peer-reviewed journal showed that this ingredient reduced total abdominal fat area over a 12-week period in 52 subjects with elevated BMI (24 to under 30). The study measured abdominal fat via CT scan at baseline, 8 weeks, and 12 weeks, showing progressive fat area reduction.
BMI Reduction & Bowel Improvement
Separately, Plant-based Lactic Acid Bacteria K-1 (L. casei 327) at 50 billion organisms supports improved bowel movements. Pre-launch monitors reported natural, comfortable bowel movements during the trial period.
The Science
Research & Evidence
Premium Calorimit's six functional ingredients are each backed by research studies referenced in Japan's Functional Food notification system.
Abdominal Fat Reduction - Black Ginger Polymethoxyflavone—Research published in Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy studied 52 healthy Japanese adults (ages 20-64, BMI 24 to under 30) over 12 weeks. The group receiving Black Ginger extract (150mg/day, containing 12mg Polymethoxyflavone) showed reduced total abdominal fat area measured by CT scan compared to controls.
Sugar Absorption Suppression - Mulberry Leaf, Chitosan, Tea Flower Saponin—A crossover study of 40 healthy Japanese adults (ages 20-64, fasting blood glucose under 125mg/dL) showed that the combination of Mulberry Leaf Iminosugar (1.75mg), Chitosan (100mg), and Tea Flower Saponin (0.85mg) significantly suppressed post-meal blood sugar elevation after rice consumption, with statistically significant results at various time points.
Fat Absorption Suppression - Tea Flower Saponin—A crossover study of 28 healthy Japanese adults (ages 20-64) examined blood triglyceride levels after a fat-containing meal (hamburger, fried potatoes, and bread rolls). Tea Flower Saponin (0.85mg) suppressed blood triglyceride increases in both subjects with normal triglyceride levels and those with slightly elevated levels (150-200mg/dL), with statistical significance.
BMI & Weight Reduction - Rosehip Tiliroside—A 12-week study of 32 healthy adults (16 men, 16 women, BMI 25.0 to under 30.0) showed that Rosehip-derived Tiliroside (0.1mg) supported reduction in total abdominal fat area (visceral + subcutaneous fat) measured at 6 weeks and 12 weeks compared to controls.
A Note on Evidence: We present research on ingredients, not specific product claims. Individual results may vary. This supplement is not intended to diagnose, treat, cure, or prevent any disease.
Ingredient Research Highlights
BLACK GINGER POLYMETHOXYFLAVONE
Black Ginger (Kaempferia parviflora) is a plant in the ginger family native to Southeast Asia. Polymethoxyflavone extracted from Black Ginger has been studied for its role in supporting fat metabolism and reducing abdominal fat area. FANCL uses 12mg per daily serving in Premium Calorimit.
Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy; Pharmacology and TherapeuticsMULBERRY LEAF IMINOSUGAR + CHITOSAN + TEA FLOWER SAPONIN
This patented triple combination (Patent No. 6633173) works synergistically to help suppress sugar absorption from meals. Mulberry Leaf Iminosugar is derived from the leaves of the mulberry plant, Chitosan is a fiber derived from crab shells, and Tea Flower Saponin is extracted from tea flowers. FANCL also holds a patent (No. 5969680) for improving Chitosan solubility.
Research review data cited in Functional Food notificationROSEHIP TILIROSIDE
Rosehip-derived Tiliroside has been studied for its role in supporting weight and body fat reduction. This is the first ingredient in the Calorimit series history to target BMI reduction specifically. FANCL uses 0.1mg per daily serving.
Research data cited in Functional Food notificationThe Story
About Brand Story
FANCL Corporation
Expanding into supplements in 1994, FANCL helped popularize the "supplement" concept in Japan and now holds top market share in functional food supplements. The company operates its own research institute and manufacturing facilities, ensuring quality from development through production. Now part of the Kirin Holdings group, FANCL continues its mission of "Honest Quality" across beauty and wellness.
Our Curation Process
Why We Selected This Product
Every product at Naturacare undergoes rigorous evaluation before joining our collection.
科学的根拠
Scientific Evidence
Multiple clinical studies support each of the six functional ingredients, published in peer-reviewed journals and registered with Japan's Consumer Affairs Agency as a Functional Food.
信頼性
Brand Reliability
FANCL is one of Japan's most recognized health science brands. Premium Calorimit represents the pinnacle of their bestselling Calorimit series, backed by two patents and Functional Food certification.
革新性
Innovation
The first product in Calorimit history to combine six functional ingredients targeting carb blocking, fat blocking, fat metabolism, BMI reduction, and bowel improvement in a single daily supplement.
Our Promise: We don't just import popular Japanese supplements - we investigate each product's formulation, manufacturing standards, and real-world reputation in Japan.
We selected FANCL Premium Calorimit because it represents the highest standard of evidence-based carb blocker support from Japan - six independently researched functional ingredients in one patented, certified formula.
Why Japan
The Japanese Advantage
Japan's supplement industry operates under some of the world's strictest quality standards. Combined with a cultural dedication to craftsmanship and centuries of wellness traditions, Japanese supplements represent a level of quality that's difficult to find elsewhere.
Rigorous Quality Standards
Japanese regulations require comprehensive testing at every stage of production, with standards that often exceed international requirements.
GMP-Certified Manufacturing
All our products come from facilities that meet Japan's strict GMP (Good Manufacturing Practice) certification requirements.
Centuries of Tradition
Many Japanese supplements draw on ingredients and formulations refined over generations, combining ancient wisdom with modern science.
Transparent Sourcing
Japanese manufacturers maintain complete traceability, so you know exactly where every ingredient comes from.
Directions
How to Use
Simple once-daily routine for comprehensive support.
Tips for Best Results
- Take before your heaviest meal of the day for optimal absorption support
- Can be combined with FANCL Calorimit or Adult Calorimit for other meals (up to 3 total supplement uses across products per day)
- Premium Calorimit should only be taken once per day - do not double up
- Store in a cool, dry place; check product packaging for expiration date
- Maintain a balanced diet and regular exercise alongside supplementation
- Allow 8-12 weeks of consistent daily use for BMI and abdominal fat-related benefits
What's Inside
Ingredients
Six functional ingredients in a patented, research-backed formula.
Black Ginger Polymethoxyflavone
Supports fat metabolism and helps reduce abdominal fat in those with elevated BMI
Mulberry Leaf Iminosugar + Chitosan + Tea Flower Saponin
Patented triple combination that helps block sugar and fat absorption from meals
Rosehip Tiliroside + Plant Lactic Acid Bacteria K-1
Supports BMI/weight reduction and improved bowel movements
Ingredients: Mulberry leaf extract powder (Mulberry leaf extract, Starch decomposition product) (Manufactured in China), Reduced maltose, Black ginger extract powder (Black ginger extract, Starch decomposition product), Rosehip extract powder (Rosehip extract, Starch decomposition product), Tea flower extract powder (Tea flower extract, Starch decomposition product), Sterilized plant-based lactic acid bacteria powder / Chitosan (derived from crab), Cyclic oligosaccharide, Fine silicon dioxide, Cellulose, Calcium stearate, Hydroxypropyl methylcellulose. --- This product contains Mulberry leaf iminosugar, Chitosan, Tea flower saponin, Black ginger-derived polymethoxyflavones, Rosehip-derived tiliroside, and Plant-based lactic acid bacteria K-1 (L. casei 327). Mulberry leaf iminosugar, Chitosan, and Tea flower saponin have been reported to function by suppressing the absorption of dietary sugar and suppressing the rise in blood sugar levels after meals. Tea flower saponin has been reported to function by suppressing the absorption of dietary fat and suppressing the rise in blood triglyceride levels after meals. Black ginger-derived polymethoxyflavones have been reported to function by assisting fat metabolism to facilitate fat consumption, and by reducing abdominal fat in those with a high BMI. Rosehip-derived tiliroside has been reported to support the reduction of abdominal fat and body weight in those with a high BMI, and to function by lowering a high BMI. Plant-based lactic acid bacteria K-1 (L. casei 327) has been reported to function by improving bowel movements.
Allergen Information: Contains: Crab (from chitosan)
Important Information
Safety & Precautions
Please read before use.
Allergies
Contains chitosan derived from crab. Not suitable for those with crab or shellfish allergies. Check the full ingredient list for any personal sensitivities.
Pregnancy & Nursing
Not recommended for pregnant or nursing women. Do not use during pregnancy or while breastfeeding.
Children
Not intended for children. Keep out of reach of children.
Medications
If you take prescription medications, consult your healthcare provider before starting this supplement.
Dosage
Take 4 tablets once daily. Do not exceed the recommended daily amount. Premium Calorimit is limited to once per day, though it can be combined with other Calorimit products for up to 3 total supplement uses per day.
Discontinue Use
If you experience any adverse effects, discontinue use immediately and consult your healthcare provider.
Disclaimer
This is a Functional Food, not a medicine. It has not undergone individual review by Japan's Consumer Affairs Agency (unlike FOSHU products). It is not intended to diagnose, treat, cure, or prevent any disease. A balanced diet with a focus on staple foods, main dishes, and side dishes is fundamental.
Storage
Store as indicated on product packaging. Keep in a cool, dry place. Keep out of reach of children.
Details
Product Specifications
Questions