Looking for the best biotin supplement? We reviewed nine RD-approved options that support hair, skin, and nails. See our top ...

“Biotin is often associated with promoting healthy hair, skin, and nails and can be found in foods like egg yolks, milk, salmon, tuna, nuts, and grains. It's also made by our bodies in the gut,” says ...

Biotin supports several important functions in the body, but do you need to take it as a supplement? Experts weigh in.

Discover which nutrients make the biggest impact on healthy hair, skin, and nails, and choose among our selected products.