Comparison

Hair, Skin & Nails and Hair Skin Nails 2500 mcg Biotin

Hair, Skin & Nails (Purvana) lists 12 distinct ingredients and Hair Skin Nails 2500 mcg Biotin (Purvana) 13 (rows of one ingredient counted once); 12 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 0.87.

Amount per serving (and % of the Daily Value)
IngredientHair, Skin & NailsHair Skin Nails 2500 mcg Biotin
Vitamin B62 mg (118%)2 mg (118%)
Vitamin B1220 mcg (833%)20 mcg (833%)
Niacin2 mg (13%)2 mg (13%)
Folate200 mcg200 mcg
Vitamin A5,000 IU5,000 IU
Pantothenic Acid (Vitamin B5)40 mg (800%)40 mg (800%)
Riboflavin2 mg (154%)2 mg (154%)
Biotin2,500 mcg (8333%)2,500 mcg (8333%)
Grape25 mg25 mg
Alpha Lipoic Acid25 mg25 mg
Methylsulfonylmethane200 mg200 mg
Horsetail29 mg29 mg
Deanol50 mg

Amounts are per serving as DSLD gives them: Hair, Skin & Nails, 1 softgel; Hair Skin Nails 2500 mcg Biotin, 1 softgel. Current labels entered October 2014 and October 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own