Comparison
Marine Collagen Unflavored and Collagen Pro Unflavored
Marine Collagen Unflavored (MDLogic) lists 7 distinct ingredients and Collagen Pro Unflavored (Gnarly Sports Nutrition) 6 (rows of one ingredient counted once); 5 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 0.67.
| Ingredient | Marine Collagen Unflavored | Collagen Pro Unflavored |
|---|---|---|
| Vitamin C | 150 mg (167%) | 90 mg (100%) |
| Zinc | 4 mg (36%) | 15 mg (136%) |
| Protein | 12 g | 14 g |
| Copper | 0.3 mg (33%) | 1 mg (111%) |
| Collagen | 13.18 g | 15 g |
| Sodium | 75 mg | |
| Vitamin A | 300 mcg RAE (33%) | |
| Biotin | 5,000 mcg (16667%) |
Amounts are per serving as DSLD gives them: Marine Collagen Unflavored, 13.8 g; Collagen Pro Unflavored, 2 level scoops. Current labels entered October 2023 and April 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Marine Collagen UnflavoredMDLogic: every row against all products listing it
- Collagen Pro UnflavoredGnarly Sports Nutrition: every row against all products listing it