갓지은 영양제 하우스GOT JI EUN · KR & US Supplement Guide KO
‹ All ingredients

Biotin

Vitamin B7 🟠 Limited

A metabolic coenzyme, but weak hair/nail evidence unless deficient.

⚠ Lab-test interferenceSee cautions below; consult your physician for specifics.
Reviewed by Dr. Sungwoong Jung · Last reviewed Jul 16, 2026
1

Key benefits

Carboxylase cofactor (established)
Fatty-acid/amino-acid metabolism
Hair/nails (if deficient)
2

How it works

B7BiotinVitamin B7Carboxylase cofactor (established)Fatty-acid, amino-acid & glucose metabolismHair/nails (weak unless deficient)Limited benefit if not deficientunder studyDistorts lab-test resultsInterferes with thyroid/troponin tests → stop before testingcautionStop days before lab tests; consult your doctor
3

Evidence

🟡 Moderate / mixedLimited hair/nail benefit unless deficient

The same nutrient can differ for "correcting deficiency" vs "general prevention."

4

Suggested use

Excess unnecessary.
A general suggestion, not a prescription.
5

Cautions & interactions

Distorts thyroid/troponin tests → stop days before testing; tell your doctor.
AD · Google AdSense
6

Korea vs USA

🇰🇷 Korea

beauty category

🇺🇸 USA

hair/skin/nails formulas
7

References

NIH ODS — Biotin ↗
Grades/refs re-verified at each update (draft).
8

Related

Collagen Collagen Hydrolyzed collagen peptides studied for skin elasticity/hydration and joints. 🟡 Moderate Skin·Beauty
9

Shop

CONTAINS AFFILIATE LINKS · independent of our rankings
🇰🇷 Buy in Korea 🇺🇸 Buy in USA
Disclaimer — This content is for general information and suggestion only and does not replace medical diagnosis or treatment. Consult a doctor or pharmacist if you have a condition or take medication.