Vitamins
Biotin (B7)
Asked about for hair and nails
A B vitamin that is popular in hair, skin and nail formulas. Real biotin deficiency is uncommon, and good evidence that extra biotin grows hair in healthy people is limited.
Illustration · not a product pack
Compare on the label
- mcg per serving — many packs are very high
- What else is in a hair formula (zinc, iron, collagen)
Ask a doctor first if…
High-dose biotin can make some blood tests (thyroid, heart) read wrongly. Tell the lab and your doctor you take it.
Source: NIH ODS — Biotin (consumer)
Biotin (B7) we stock
2 in stockMore in Vitamins
General information from public sources, not medical advice; we do not give doses. Supplements are not intended to diagnose, treat, cure or prevent any disease. A pack is listed when its name says Biotin (B7) — check the current label for the exact form and amount.