Comparison
Sustained Release Vita-C 500 and C-500 mg Timed Release
Sustained Release Vita-C 500 (Shaklee) lists 5 distinct ingredients and C-500 mg Timed Release (Puritan's Pride) 3 (rows of one ingredient counted once); 3 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 0.64.
| Ingredient | Sustained Release Vita-C 500 | C-500 mg Timed Release |
|---|---|---|
| Vitamin C | 500 mg (556%) | 500 mg (556%) |
| Flavonoid | not disclosed | 25 mg |
| Rose Hip | not disclosed | 16 mg |
| Carbohydrate | 1 g | |
| Hesperidin | not disclosed |
Amounts are per serving as DSLD gives them: Sustained Release Vita-C 500, 1 tablet; C-500 mg Timed Release, 1 caplet. Current labels entered December 2023 and September 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Sustained Release Vita-C 500Shaklee: every row against all products listing it
- C-500 mg Timed ReleasePuritan's Pride: every row against all products listing it