Comparison

Advanced Hair, Skin & Nails Formula and Advanced Hair, Skin & Nails Formula

Advanced Hair, Skin & Nails Formula (GNC Women's) lists 15 distinct ingredients and Advanced Hair, Skin & Nails Formula (GNC Women's Ultra Mega) 14 (rows of one ingredient counted once); 14 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 0.91.

Amount per serving (and % of the Daily Value)
IngredientAdvanced Hair, Skin & Nails FormulaAdvanced Hair, Skin & Nails Formula
Vitamin B62 mg (118%)1 mg (59%)
Zinc7 mg (64%)3.75 mg (34%)
Niacin10 mg (63%)5 mg (31%)
Pantothenic Acid (Vitamin B5)14 mg (280%)7 mg (140%)
Biotin6,000 mcg (20000%)3,000 mcg (10000%)
Copper1 mg (111%)0.5 mg (56%)
Turmeric25 mg12.5 mg
Grape75 mg37.5 mg
Alpha Lipoic Acid100 mg50 mg
Lutein1 mg0.5 mg
Collagen0.5 g0.25 g
Hyaluronic acid10 mg5 mg
Indian Gooseberry25 mg12.5 mg
Sweet Orange200 mg100 mg
Zeaxanthin0.05 mg

Amounts are per serving as DSLD gives them: Advanced Hair, Skin & Nails Formula, 2 caplets; Advanced Hair, Skin & Nails Formula, 1 pearlized white caplet. Current labels entered September 2017 and October 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own