Comparison

Maxi-Hair 50+ and Keratin Hair Booster Powder With Biotin

Maxi-Hair 50+ (Country Life) lists 8 distinct ingredients and Keratin Hair Booster Powder With Biotin (Reserveage Nutrition) 7 (rows of one ingredient counted once); 7 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.81.

Amount per serving (and % of the Daily Value)
IngredientMaxi-Hair 50+Keratin Hair Booster Powder With Biotin
Vitamin B62 mg (118%)2 mg (118%)
Zinc22 mg (200%)15 mg (136%)
Niacin18 mg (113%)18 mg (113%)
Pantothenic Acid (Vitamin B5)13.7 mg (274%)14 mg (280%)
Biotin2,500 mcg (8333%)3,000 mcg (10000%)
Copper1.65 mg (183%)1.7 mg (189%)
Keratinnot disclosed500 mg
Cysteinenot disclosed

Amounts are per serving as DSLD gives them: Maxi-Hair 50+, 2 capsules; Keratin Hair Booster Powder With Biotin, 2.6 g. Current labels entered July 2025 and February 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own