Comparison
Super C 500 with Quercetin & Zinc and Immune Defense
Super C 500 with Quercetin & Zinc (Windmill Natural Vitamins) lists 6 distinct ingredients and Immune Defense (Safrel) 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 0.64.
| Ingredient | Super C 500 with Quercetin & Zinc | Immune Defense |
|---|---|---|
| Vitamin C | 500 mg (556%) | 1,000 mg (1111%) |
| Vitamin D | 10 mcg (50%) | 37.5 mcg (188%) |
| Zinc | 15 mg (136%) | 100 mg (909%) |
| Quercetin | not disclosed | 500 mg |
| Calcium | 30 mg (2%) | |
| Flavonoid | not disclosed |
Amounts are per serving as DSLD gives them: Super C 500 with Quercetin & Zinc, 1 tablet; Immune Defense, 2 capsules. Current labels entered November 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
- Super C 500 with Quercetin & ZincWindmill Natural Vitamins: every row against all products listing it
- Immune DefenseSafrel: every row against all products listing it