8 Best Vitamins for Hair Growth Other than Biotin

Biotin, a B vitamin also known as vitamin B7, is often promoted for its potential benefits in supporting hair health. For individuals who have a biotin deficiency, supplementing with biotin can improve hair growth and reduce hair loss. However, for people who have normal biotin levels and are otherwise healthy, the evidence supporting biotin's effectiveness in preventing hair loss or promoting hair regrowth is limited.