Category
Hair Growth Supplements
Hair supplements work best in people with an actual deficiency and modestly, if at all, in everyone else. Our reviews say which situation each formula is realistically aimed at.
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About this category
Biotin corrects biotin deficiency, which is rare; marine protein complexes and saw palmetto carry small, manufacturer-adjacent studies; and most 'hair vitamins' are multivitamins with better photography. We review disclosed doses, study quality behind each headline ingredient, and per-month costs, and we distinguish supplements from clinically established treatments for hair loss.
Safety information
Sudden or patchy hair loss can indicate thyroid disease, autoimmune conditions, iron deficiency or medication effects, all of which need diagnosis rather than supplementation. High-dose biotin can distort common lab tests, including thyroid and cardiac markers, so tell your doctor if you take it. Nothing in this category is medical advice; consult a qualified professional before use.