Comparison
Keratin Formula and Healthy Hair
Keratin Formula (Nature's Bounty Optimal Solutions) lists 9 distinct ingredients and Healthy Hair (Nature's Bounty) 9 (rows of one ingredient counted once); 9 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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | Keratin Formula | Healthy Hair |
|---|---|---|
| Vitamin B6 | 2 mg (118%) | 2 mg (118%) |
| Zinc | 15 mg (136%) | 15 mg (136%) |
| Niacin | 18 mg (113%) | 18 mg (113%) |
| Pantothenic Acid (Vitamin B5) | 14 mg (280%) | 14 mg (280%) |
| Biotin | 300 mcg (1000%) | 300 mcg (1000%) |
| Copper | 2 mg (222%) | 2 mg (222%) |
| Grape | 10 mg | 10 mg |
| Resveratrol | 10 mg | 10 mg |
| Keratin | 500 mg | 500 mg |
Amounts are per serving as DSLD gives them: Keratin Formula, 2 capsules; Healthy Hair, 2 capsules. Current labels entered August 2015 and November 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Keratin FormulaNature's Bounty Optimal Solutions: every row against all products listing it
- Healthy HairNature's Bounty: every row against all products listing it