Comparison

Skin, Hair & Nails and Hair, Skin, & Nail essentials

Skin, Hair & Nails (Bronson Laboratories) lists 10 distinct ingredients and Hair, Skin, & Nail essentials (Healthy Choice Naturals) 19 (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 0.37.

Amount per serving (and % of the Daily Value)
IngredientSkin, Hair & NailsHair, Skin, & Nail essentials
Vitamin C50 mg (56%)100 mg (111%)
Vitamin B65 mg (294%)5 mg (294%)
Vitamin E25 IU10 IU
Vitamin A3,500 IU1,000 IU
Riboflavin5 mg (385%)5 mg (385%)
Biotin750 mcg (2500%)2,600 mcg (8667%)
Horsetail25 mg100 mg
Cysteine50 mg200 mg
Calcium16 mg (1%)
Vitamin D2.5 mcg (13%)
Vitamin B1220 mcg (833%)
Niacin5 mg (31%)
Folate200 mcg
Pantothenic Acid (Vitamin B5)50 mg (1000%)
Thiamin5 mg (417%)
Inositol50 mg
Methylsulfonylmethane500 mg
Collagen0.2 g
Red Clover70 mg
Gelatin140 mg
Panthenol100 mg

Amounts are per serving as DSLD gives them: Skin, Hair & Nails, 1 capsule; Hair, Skin, & Nail essentials, 2 capsules. Current labels entered August 2013 and January 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own