Vitamins
Essential organic compounds that support vital body functions.
Biotin
Review the evidence for biotin (vitamin B7) and hair health. Research on dosage, side effects, and effectiveness for hair loss …
Folate
Review the evidence for folate (vitamin B9) and hair health. Research on folate deficiency, hair loss, and the role of …
Vitamin A
Evidence review of vitamin A for hair growth. Research on retinoid signaling, sebum regulation, and the balance between deficiency and …
Vitamin B12
Evidence review of vitamin B12 and hair health. Research on B12 deficiency, hair loss, premature graying, and supplementation for hair …
Vitamin D
Review the research on vitamin D and hair loss. Evidence linking vitamin D deficiency to alopecia areata, telogen effluvium, and …
Vitamin E
Evidence review of vitamin E for hair health. Research on tocotrienols, antioxidant protection, and scalp health support.