Comparison
Immune Support and ImmunEnz
Immune Support (Twinlab) lists 10 distinct ingredients and ImmunEnz (ProEnzol) 10 (rows of one ingredient counted once); 7 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 0.48.
| Ingredient | Immune Support | ImmunEnz |
|---|---|---|
| Vitamin C | 500 mg (556%) | 100 mg (111%) |
| Vitamin D | 125 mcg (625%) | 20 mcg (100%) |
| Zinc | 15 mg (136%) | 10 mg (91%) |
| Selenium | 70 mcg (127%) | 120 mcg (218%) |
| Quercetin | not disclosed | not disclosed |
| Echinacea purpurea | not disclosed | not disclosed |
| Andrographis | not disclosed | not disclosed |
| Vitamin A | 3,000 mcg RAE (333%) | |
| Green Tea | not disclosed | |
| Vitamin K | 45 mcg (38%) | |
| Eleuthero | not disclosed | |
| Astragalus | not disclosed | |
| American Elder | not disclosed |
Amounts are per serving as DSLD gives them: Immune Support, 2 capsules; ImmunEnz, 2 vegan capsules. Current labels entered June 2022 and March 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Immune SupportTwinlab: every row against all products listing it
- ImmunEnzProEnzol: every row against all products listing it