Comparison
Stress C Rx and Ester-C 1000 mg with Citrus Bioflavonoids
Stress C Rx (Taylor MD Formulations) lists 22 distinct ingredients and Ester-C 1000 mg with Citrus Bioflavonoids (PhysioLogics) 9 (rows of one ingredient counted once); 9 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 0.44.
| Ingredient | Stress C Rx | Ester-C 1000 mg with Citrus Bioflavonoids |
|---|---|---|
| Vitamin C | 1,500 mg (1667%) | 1,000 mg (1111%) |
| Calcium | 183 mg (14%) | 108 mg (8%) |
| Flavonoid | 250 mg | 200 mg |
| Rutin | not disclosed | not disclosed |
| Acerola | not disclosed | not disclosed |
| Lemon | not disclosed | not disclosed |
| Sweet Orange | not disclosed | not disclosed |
| Tangerine | not disclosed | not disclosed |
| Lime | not disclosed | not disclosed |
| Zinc | 1 mg (9%) | |
| Grape | not disclosed | |
| Black Pepper | 4 mg | |
| Bromelain | not disclosed | |
| Proteolytic Enzymes (Proteases) | not disclosed | |
| Lipase | not disclosed | |
| Amylase | not disclosed | |
| Blueberry | not disclosed | |
| Quercetin | not disclosed | |
| Cellulase | not disclosed | |
| Papain | not disclosed | |
| Resveratrol | not disclosed | |
| Pterostilbene | not disclosed |
Amounts are per serving as DSLD gives them: Stress C Rx, 2 tablets; Ester-C 1000 mg with Citrus Bioflavonoids, 1 capsule. Current labels entered August 2023 and January 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Stress C RxTaylor MD Formulations: every row against all products listing it
- Ester-C 1000 mg with Citrus BioflavonoidsPhysioLogics: every row against all products listing it