Biotin (High Dose)
Solid evidence for supports healthy hair. Not a miracle worker, but genuinely useful for the right person.
Verdict
6/10 Mixed
Evidence
Grade B / 100+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
Supports hair, skin, and nail health.
DOES IT WORK?
6/10 Mixed. High-dose biotin supplementation might be helpful for individuals with a confirmed biotin deficiency or specific medical conditions affecting biotin metabolism. For those without a deficiency, benefits are less certain, though some may experience improvements in nail strength. Compared to other supplements for hair/skin/nails, biotin offers reasonable, though not universally guaranteed, support.
HOW MUCH TO TAKE
5,000 mcg
COST
Budget-friendly. $20-35/month for quality brands.
FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
AFTER A FEW WEEKS
Give it 4-8 weeks for full effects. Patience pays.
SAFETY
Few things to check: may interfere with certain lab tests (thyroid tests, etc.), high doses may cause skin rashes in rare cases. Worth mentioning to your doc.
HOW IT FEELS
Most users don't 'feel' biotin working. Benefits are typically observed over time as improvements in hair, skin, or nail quality.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
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