Comparison

Hair Envy 10,000 MCG of Biotin and Hair Collagen + Keratin

Hair Envy 10,000 MCG of Biotin (Angry Supplements) lists 2 distinct ingredients and Hair Collagen + Keratin (youtheory) 3 (rows of one ingredient counted once); 2 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 0.72.

Amount per serving (and % of the Daily Value)
IngredientHair Envy 10,000 MCG of BiotinHair Collagen + Keratin
Biotin10,000 mcg (33333%)3,000 mcg (10000%)
Hydrolyzed keratin200 mg500 mg
Collagen3 g

Amounts are per serving as DSLD gives them: Hair Envy 10,000 MCG of Biotin, 2 capsules; Hair Collagen + Keratin, 6 tablets. Current labels entered May 2022 and November 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own