Comparison
Longer Stronger Hair & Nails and Longer, Stronger Hair and Nails
Longer Stronger Hair & Nails (Applied Nutrition) lists 19 distinct ingredients and Longer, Stronger Hair and Nails (Irwin Naturals) 19 (rows of one ingredient counted once); 12 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 0.42.
| Ingredient | Longer Stronger Hair & Nails | Longer, Stronger Hair and Nails |
|---|---|---|
| Vitamin C | 100 mg (111%) | 200 mg (222%) |
| Calcium | 20 mg (2%) | 30 mg (2%) |
| Fat (unspecified) | 1 g | 1 g |
| Zinc | 15 mg (136%) | 10 mg (91%) |
| Protein | 1 g | 1 g |
| Biotin | 2,500 mcg (8333%) | 2,600 mcg (8667%) |
| Copper | 2 mg (222%) | 1 mg (111%) |
| Flavonoid | not disclosed | 50 mg |
| Silicon | 14 mg | 11.2 mg |
| Horsetail | 200 mg | 160 mg |
| Gotu Kola | 120 mg | 180 mg |
| Triterpene (unspecified) | 12 mg | 18 mg |
| Carbohydrate | 1 g | |
| Vitamin A | 2.25 mg | |
| Manganese | 5 mg (217%) | |
| Ginger | not disclosed | |
| Black Pepper | not disclosed | |
| Cranberry | not disclosed | |
| Pomegranate | not disclosed | |
| Lysine | 80 mg | |
| Acai | not disclosed | |
| PABA | 30 mg | |
| Collagen | 0.06 g | |
| Flaxseed Oil | 1.06 g | |
| Proline | 80 mg | |
| Citrus | 100 mg |
Amounts are per serving as DSLD gives them: Longer Stronger Hair & Nails, 2 liquid soft-gels; Longer, Stronger Hair and Nails, 2 liquid softgels. Current labels entered February 2025 and July 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Longer Stronger Hair & NailsApplied Nutrition: every row against all products listing it
- Longer, Stronger Hair and NailsIrwin Naturals: every row against all products listing it