1 Product identity

Ingredient risk

Contains restricted ingredients

Tokkyo Test-FX

Name: Tokkyo Test-FX
Brand: Tokkyo Nutrition

BrandTokkyo Nutrition→Other Combinations Capsule 23 ingredients 1 banned 4 caution DSLD #16437

Net contents: 90 Capsule(s)

Target: Adults and Children 4 years and above

DSLD entry: 2014-04-25

2 Ingredients (23)

IngredientGroupSafety

Proprietary BlendProprietary Blend (Combination)—

Tribulus extractTribulusLimited Evidence

3beta-Hydroxy-androst-5-ene-17-oneDHEABanned in ≥1 country

Fenugreek 4:1 extractFenugreekConditionally Safe

Fadogia Agrestis ExtractFadogia agrestis—

Icariinicariin—

Divanil(TM)3,4-Divanillyltetrahydrofuran—

Peruvian Maca ExtractMacaUse with Caution

Magnesium AspartateMagnesiumUse with Caution

Zinc AspartateZincUse with Caution

Vitamin B6Vitamin B6Use with Caution

Trans-ResveratrolResveratrolConditionally Safe

5,7-DihydroxyflavoneChrysin—

QuercetinQuercetinConditionally Safe

Pygeum africanum ExtractPygeum—

White Button MushroomButton mushroom—

Saw Palmetto berry extractSaw PalmettoGenerally Safe

GelatinGelatin—

SilicaSiliconGenerally Safe

Magnesium StearateMagnesium stearateUse with Caution

MaltodextroseMaltodextrin—

CelluloseCellulose—

ArginineArginine—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⛔ Contains an ingredient banned in ≥1 country

DHEA 🇨🇦 🇬🇧 🇪🇺 🇦🇺 — Not approved for OTC sale as supplement.

⚠️ Use with caution — restricted in some markets

Maca 🇺🇸 🇰🇷 🇪🇺 — ood. Dietary supplement [1]. || European Union :: Novel food ingredient [1]. || South Korea :: Dietary supplement. || Ma

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

Zinc — Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].

Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…

3 Safety cross-reference

Tribulus — Limited Evidence

⚠ Liver and kidney toxicity case reports

⚠ Hormonal claims poorly supported

DHEA — Banned in ≥1 country

⚠ Hormonal: acne, hirsutism, voice deepening

⚠ May promote hormone-sensitive cancers

Fenugreek — Conditionally Safe

⚠ Hypoglycemia

⚠ Maple syrup odor

Maca — Use with Caution

⚠ Goitrogenic

⚠ Hormonal effects

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

Zinc — Use with Caution

⚠ Copper deficiency at >40 mg/day

⚠ Nausea, metallic taste

Vitamin B6 — Use with Caution

Resveratrol — Conditionally Safe

⚠ Estrogenic activity

⚠ CYP enzyme inhibition

Quercetin — Conditionally Safe

⚠ Inhibits CYP3A4

⚠ Affects cyclosporine levels

Saw Palmetto — Generally Safe

⚠ Anti-androgenic

⚠ May affect PSA

Silicon — Generally Safe

⚠ Very low toxicity

4 Label claims

• All Other

• Structure/Function

5 Data source

DSLD ID16437

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2014-04-25

6 More from Tokkyo Nutrition

View Tokkyo Nutrition Safety Scorecard → 36 products

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7 Cite this page

Vancouver

Pkhakadze G. Tokkyo Test-FX — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Oct 20]. Available from: https://supplement.ge/products/tokkyo-test-fx-16437/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG