Comparison
Centurion Defender Immunity Boost and Immune Defense
Centurion Defender Immunity Boost (Centurion) lists 5 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 0.78.
| Ingredient | Centurion Defender Immunity Boost | Immune Defense |
|---|---|---|
| Vitamin C | 500 mg (556%) | 1,000 mg (1111%) |
| Vitamin D | 50,000 mcg (250000%) | 37.5 mcg (188%) |
| Zinc | 25 mg (227%) | 100 mg (909%) |
| Quercetin | 250 mg | 500 mg |
| Copper | 2 mg (222%) |
Amounts are per serving as DSLD gives them: Centurion Defender Immunity Boost, 2 capsules; Immune Defense, 2 capsules. Current labels entered May 2025 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
- Centurion Defender Immunity BoostCenturion: every row against all products listing it
- Immune DefenseSafrel: every row against all products listing it