Comparison
D-Ribose 1,000 mg and D-Ribose Tablets
D-Ribose 1,000 mg (Source Naturals) lists 4 distinct ingredients and D-Ribose Tablets (Life Extension) 4 (rows of one ingredient counted once); 4 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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | D-Ribose 1,000 mg | D-Ribose Tablets |
|---|---|---|
| Carbohydrate | 3 g | 5 g |
| Calcium | 56 mg (4%) | 80 mg (6%) |
| Sugar | 3 g | 5 g |
| Ribose | 3 g | 5.1 g |
Amounts are per serving as DSLD gives them: D-Ribose 1,000 mg, 3 tablets; D-Ribose Tablets, 5 vegetarian tablets. Current labels entered March 2020 and March 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- D-Ribose 1,000 mgSource Naturals: every row against all products listing it
- D-Ribose TabletsLife Extension: every row against all products listing it