Comparison
C Extra 500 mg Plus 250 mg Bioflavonoids and C 1000 mg
C Extra 500 mg Plus 250 mg Bioflavonoids (Natural Factors) lists 5 distinct ingredients and C 1000 mg (Thompson) 5 (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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | C Extra 500 mg Plus 250 mg Bioflavonoids | C 1000 mg |
|---|---|---|
| Vitamin C | 500 mg (556%) | 1,000 mg (1111%) |
| Flavonoid | 250 mg | 10 mg |
| Rutin | 50 mg | 10 mg |
| Hesperidin | 25 mg | 10 mg |
| Dog Rose | 25 mg | 20 mg |
Amounts are per serving as DSLD gives them: C Extra 500 mg Plus 250 mg Bioflavonoids, 1 capsule; C 1000 mg, 1 tablet. Current labels entered April 2012 and August 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- C Extra 500 mg Plus 250 mg BioflavonoidsNatural Factors: every row against all products listing it
- C 1000 mgThompson: every row against all products listing it