Comparison
Smart Skin and Hair, Skin & Nails
Smart Skin (Vita Logic) lists 13 distinct ingredients and Hair, Skin & Nails (DaVinci Laboratories) 17 (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 0.41.
| Ingredient | Smart Skin | Hair, Skin & Nails |
|---|---|---|
| Vitamin C | 50 mg (56%) | 100 mg (111%) |
| Vitamin B6 | 1 mg (59%) | 5 mg (294%) |
| Vitamin D | 12.5 mcg (63%) | 20 mcg (100%) |
| Zinc | 2.5 mg (23%) | 10 mg (91%) |
| Niacin | 9 mg (56%) | 5 mg (31%) |
| Vitamin A | 5,000 IU | 0.8 mg |
| Collagen | 0.15 g | 0.5 g |
| Hyaluronic acid | 50 mg | 20 mg |
| Horsetail | 500 mg | 5 mg |
| Vitamin E | 100 IU | |
| Folate | 800 mcg DFE (200%) | |
| Pantothenic Acid (Vitamin B5) | 100 mg (2000%) | |
| Riboflavin | 5 mg (385%) | |
| Thiamin | 5 mg (417%) | |
| Biotin | 5,000 mcg (16667%) | |
| Selenium | 100 mcg (182%) | |
| Iodine | 150 mcg (100%) | |
| Grape | 100 mg | |
| Methylsulfonylmethane | 100 mg | |
| Astaxanthin | 2 mg | |
| Sea Buckthorn | 38 mg |
Amounts are per serving as DSLD gives them: Smart Skin, 2 capsules; Hair, Skin & Nails, 2 capsules. Current labels entered July 2021 and December 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Smart SkinVita Logic: every row against all products listing it
- Hair, Skin & NailsDaVinci Laboratories: every row against all products listing it