DC
A 21-year-old female asked:
I bought collagen supplements that say it has collagen + biotin to help with hair, skin and nails. will it be effective or wont do much? dont know if i should take them or return?
1 doctor answer • 1 doctor weighed in
Dr. Joseph Easternanswered
Dermatology 45 years experience
The biotin will help a little, if there is a sufficiently high dosage, but oral collagen is useless for hair and nails. Get your money back and buy pure biotin, a minimum of 5000 units/day. If that is ineffective, see a dermatologist for a complete evaluation.
Answered Jan 05, 2022
Last updated Jan 5, 2022
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