Comparison
Echinacea Astragalus & Reishi and Immune System Formula
Echinacea Astragalus & Reishi (Nature's Way) lists 3 distinct ingredients and Immune System Formula (Christopher's Original Formulas) 4 (rows of one ingredient counted once); 3 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 0.76.
| Ingredient | Echinacea Astragalus & Reishi | Immune System Formula |
|---|---|---|
| Astragalus | not disclosed | not disclosed |
| Reishi mushroom | not disclosed | not disclosed |
| Echinacea purpurea | not disclosed | not disclosed |
| Eleuthero | not disclosed |
Amounts are per serving as DSLD gives them: Echinacea Astragalus & Reishi, 3 capsules; Immune System Formula, 2 capsules. Current labels entered September 2025 and April 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Echinacea Astragalus & ReishiNature's Way: every row against all products listing it
- Immune System FormulaChristopher's Original Formulas: every row against all products listing it