The risk for alopecia areata is increased among patients with lower serum levels of vitamin D and zinc, but no relationship was observed with copper.

Vitamin deficiencies, including biotin, vitamin D, iron, and zinc, can disrupt hair growth, leading to thinning and shedding.

Hair loss and thinning are common issues for many individuals, but some vitamins may aid in preventing these problems ...

Biotin is essential for hair and nail growth, and that simple fact is likely why it’s become such a buzz-worthy beauty ...