Vitamin B7 (Biotin)
One of the few supplements that actually delivers. Proven to support supports healthy hair with real clinical backing.
Verdict
8/10 Solid
Evidence
Grade C / 18+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
Supports healthy hair, skin, and nails.
DOES IT WORK?
8/10 Solid. Good pick. Biotin is effective for individuals deficient in the vitamin, improving hair, skin, and nail health. However, benefits are limited for those with sufficient biotin levels.
HOW MUCH TO TAKE
30-100 mcg daily
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)., rare allergic reactions possible.. Worth mentioning to your doc.
HOW IT FEELS
Users may experience a sense of improved hair strength and skin radiance over time, if deficient.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
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