Supplement How it works Dose
B complex Vitamin B6 helps create melanin for colorful hair; vitamin B7 (biotin) fights hair loss and may make nails stronger; and vitamin B9 (folate) helps produce red blood cells, which transport oxygen to the scalp and contribute to hair growth. A B-complex supplement is especially crucial for women who take oral contraceptives because the pill can deplete B-vitamin stores. 50 mg B complex once/day

Vitamin D

Essential for calcium absorption, which strengthens teeth and bones, vitamin D may also help soothe skin irritation, redness, and scaling, according to a recent study published in the Journal of Allergy and Clinical Immunology.

1,0002,000 IU once/day

Vitamin E

In addition to reducing the risk of cataracts, this antioxidant vitamin promotes circulation for healthy hair and helps stabilize the skins lipid membranes, protecting them from free radical damage.

15 mg once/day