This collagen powder includes 10,000 mcg of biotin, 20 grams (g) of collagen peptides, and a blend of other nutrients that may support the hair. Biotin and collagen in particular both have ...

to a maximum of 10,000 mcg, though since adults only need about 30 mcg of biotin daily, you'll easily get you to your daily ...

You’ll find biotin in multivitamins, hair supplements, or as stand-alone pills in doses ranging from 1,000 mcg to 10,000 mcg. The higher doses are generally safe, but always go with what your ...