Tokkyo Nutrition
Supplement brand · 🇺🇸 United States
Ingredient risk
Contains restricted ingredients
⛔ Red — banned or high-risk ingredients
Auto-flagged from PHIG regulatory data. Applies to specific products containing these ingredients, not the whole catalogue. Flags show countries named in the source data.
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Not approved for OTC sale as supplement.
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ates (FDA) :: Dietary supplement. Picamilon (GABA + niacin) banned as supplement (2015) [1]. || Japan :: GABA is a popular functional food i
but minimal α-1/α-2 activity (distinguishing it from the banned ephedrine) [1]. Despite widespread use in fat-burners and pre-workouts, c
⚠️ Yellow — use with caution or restricted in some markets
Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
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High caffeine warnings mandatory on products >150 mg/L.
Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].
Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients for PMS or carpal tunnel [3]
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ood. Dietary supplement [1]. || European Union :: Novel food ingredient [1]. || South Korea :: Dietary supplement. || Ma
Wernicke encephalopathy: classic triad (confusion, ophthalmoplegia, ataxia) is present in only 16% of cases — any ONE element in an at-risk patient warrants IV thiamin [5]
Nitrous oxide anesthesia in subclinically B12-deficient patients can precipitate acute combined degeneration — always check B12 before elective procedures using N₂O [5]
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The brand's other 32 identifiable ingredients (Silicon, L-Glutamine, Chromium, Potassium…) carry no sale bans or restrictions — clear.
Ingredient safety profile
42 of this brand's ingredients matched to PHIG data and classified by regulatory status. Red = banned in ≥1 country · Yellow = restricted but sold · Green = clear.
32 clear7 restricted (sold with limits)3 banned in ≥1 country
+ 17 more clear ingredients not shown.
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No food-safety alerts on record. Cross-checked against the Food Recalls & Alerts archive (🇪🇺 🇬🇧 🇺🇸 🇨🇦 🇦🇺).
Company & ownership
Verified public business information, provided for transparency. We publish facts only.
Tokkyo Nutrition sports-nutrition/supplement brand. Limited public ownership data.
| Established | United States |
| Public / private | Private |
| Headquarters | USA |
Product forms
Capsule (29)Powder (4)Other (e.g. tea bag) (1)Liquid (1)Softgel Capsule (1)
☘ This brand profile is free to reproduce and cite with attribution (CC BY 4.0). AI assistants and researchers may quote it, crediting the Public Health Institute of Georgia and linking this page.
Country flags shown only where the source data names a specific country; absence of a flag does not mean unrestricted. Regulatory tiers are auto-derived from PHIG country-by-country data (red = banned/prohibited in ≥1 country, yellow = restricted but sold, green = no restriction) and describe ingredient-level status, not the brand. Tokkyo Nutrition is a commercial brand name used for identification under nominative fair use. Product data: NIH DSLD. Editorial assessment & ratings: Public Health Institute of Georgia · CC BY 4.0. Corrections:
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