The 8 Best Vitamins and Supplements for Hair Growth

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4. Vitamin D

Notepad with vitamin d and pills on the table.

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.

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