Comparison

Hair, Skin & Nails Rejuvenation Formula with VERISOL and Advanced Keratin for Hair, Skin and Nails

Hair, Skin & Nails Rejuvenation Formula with VERISOL (Life Extension) lists 10 distinct ingredients and Advanced Keratin for Hair, Skin and Nails (Vthrive The Vitamin Shoppe) 10 (rows of one ingredient counted once); 8 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 0.77.

Amount per serving (and % of the Daily Value)
IngredientHair, Skin & Nails Rejuvenation Formula with VERISOLAdvanced Keratin for Hair, Skin and Nails
Vitamin B62 mg (118%)2 mg (118%)
Zinc15 mg (136%)15 mg (136%)
Niacin18 mg (113%)18 mg (113%)
Biotin2,500 mcg (8333%)500 mcg (1667%)
Copper1.65 mg (183%)2 mg (222%)
Silicon3 mg10 mg
Collagen2.5 g1 g
Keratin500 mg500 mg
Vitamin C60 mg (67%)
Calcium83 mg (6%)
Pantothenic Acid (Vitamin B5)13.68 mg (274%)
Protein1.5 g

Amounts are per serving as DSLD gives them: Hair, Skin & Nails Rejuvenation Formula with VERISOL, 4 tablets; Advanced Keratin for Hair, Skin and Nails, 3 vegetable capsules. Current labels entered January 2020 and November 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own