The 8 Best Vitamins and Supplements for Hair Growth
4. Vitamin D
Alopecia, a technical term for hair loss, is linked to low vitamin D levels. According to research, vitamin D may also aid in the formation of new follicles or tiny pores in the scalp where new hair can grow.
However, although vitamin D may play a role in hair growth, most research has focused on vitamin D receptors. Vitamin D’s exact role in hair growth is unknown.