Comparison
Radiance Within and Keratin Formula
Radiance Within (Lumiday) lists 14 distinct ingredients and Keratin Formula (Nature's Bounty Optimal Solutions) 9 (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 0.52.
| Ingredient | Radiance Within | Keratin Formula |
|---|---|---|
| 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) | 13.68 mg (274%) | 14 mg (280%) |
| Biotin | 2,500 mcg (8333%) | 300 mcg (1000%) |
| Copper | 1.65 mg (183%) | 2 mg (222%) |
| Resveratrol | 30 mg | 10 mg |
| Keratin | 500 mg | 500 mg |
| Vitamin C | 90 mg (100%) | |
| Vitamin D | 10 mcg (50%) | |
| Grape | 10 mg | |
| Ashwagandha | 600 mg | |
| Quercetin | 30 mg | |
| Capsicum | 100 mg | |
| Hyaluronic acid | 5 mg |
Amounts are per serving as DSLD gives them: Radiance Within, 2 capsules; Keratin Formula, 2 capsules. Current labels entered July 2023 and August 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Radiance WithinLumiday: every row against all products listing it
- Keratin FormulaNature's Bounty Optimal Solutions: every row against all products listing it