Comparison
Extra Strength Hair, Skin & Nails and Extra Strength Hair, Skin & Nails With Biotin
Extra Strength Hair, Skin & Nails (Nature's Bounty Optimal Solutions) lists 22 distinct ingredients and Extra Strength Hair, Skin & Nails With Biotin (Nature's Bounty Optimal Solutions) 24 (rows of one ingredient counted once); 22 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 0.93.
| Ingredient | Extra Strength Hair, Skin & Nails | Extra Strength Hair, Skin & Nails With Biotin |
|---|---|---|
| Vitamin C | 60 mg (67%) | 60 mg (67%) |
| Vitamin B6 | 5 mg (294%) | 5 mg (294%) |
| Vitamin B12 | 8 mcg (333%) | 8 mcg (333%) |
| Fat (unspecified) | 1 g | 1 g |
| Zinc | 7.5 mg (68%) | 7.5 mg (68%) |
| Niacin | 25 mg (156%) | 25 mg (156%) |
| Vitamin E | 10 mg (67%) | 15 IU |
| Folate | 333 mcg DFE (83%) | 200 mcg |
| Vitamin A | 1.5 mg | 5,000 IU |
| Pantothenic Acid (Vitamin B5) | 4 mg (80%) | 15 mg (300%) |
| Riboflavin | 5 mg (385%) | 5 mg (385%) |
| Thiamin | 3 mg (250%) | 5 mg (417%) |
| Biotin | 5,000 mcg (16667%) | 5,000 mcg (16667%) |
| Iron | 3 mg (17%) | 3 mg (17%) |
| Selenium | 12.5 mcg (23%) | 12.5 mcg (23%) |
| Manganese | 5 mg (217%) | 5 mg (217%) |
| Alpha Lipoic Acid | 10 mg | 10 mg |
| PABA | 10 mg | 10 mg |
| Collagen | 0.05 g | 0.05 g |
| Hyaluronic acid | 30 mg | 30 mg |
| Horsetail | 3 mg | 3 mg |
| Argan nut oil | 25 mg | 25 mg |
| Vitamin D | 20 mcg (100%) | |
| Choline | 10 mg (2%) |
Amounts are per serving as DSLD gives them: Extra Strength Hair, Skin & Nails, 3 softgels; Extra Strength Hair, Skin & Nails With Biotin, 3 softgels. Current labels entered March 2023 and December 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Extra Strength Hair, Skin & NailsNature's Bounty Optimal Solutions: every row against all products listing it
- Extra Strength Hair, Skin & Nails With BiotinNature's Bounty Optimal Solutions: every row against all products listing it