Minerals
Inorganic elements required for bone health, enzyme function, and metabolism.
Iron
Review the evidence linking iron deficiency to hair loss. Research on ferritin levels, supplementation dosage, and hair regrowth in iron-deficient …
Selenium
Evidence review of selenium and hair health. Research on selenoprotein function, thyroid-hair connection, and the risks of both deficiency and …
Silica (Silicon)
Evidence review of silica (silicon) for hair health. Research on collagen cross-linking, hair shaft strength, and tensile properties.
Zinc
Evidence-based review of zinc for hair loss. Research on zinc deficiency, supplementation dosage, and its role in hair follicle cell …