Comparison
Source Of Life Immune Booster and 2-Phase Dual Immune Booster
Source Of Life Immune Booster (Nature's Plus) lists 10 distinct ingredients and 2-Phase Dual Immune Booster (Royal Guard) 10 (rows of one ingredient counted once); 10 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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | Source Of Life Immune Booster | 2-Phase Dual Immune Booster |
|---|---|---|
| Vitamin C | 500 mg (556%) | 167 mg (186%) |
| Zinc | 15 mg (136%) | 5 mg (45%) |
| Vitamin E | 60 IU | 20 IU |
| Vitamin A | 10,000 IU | 3,333 IU |
| Lactobacillus acidophilus | 1 mg | 0.33 mg |
| Olive | 75 mg | 25 mg |
| Echinacea angustifolia | 50 mg | 17 mg |
| Arabinogalactan | 250 mg | 83 mg |
| Andrographis | 50 mg | 17 mg |
| American Elder | 50 mg | 17 mg |
Amounts are per serving as DSLD gives them: Source Of Life Immune Booster, 3 tablets; 2-Phase Dual Immune Booster, 1 tablet. Current labels entered October 2012 and November 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Source Of Life Immune BoosterNature's Plus: every row against all products listing it
- 2-Phase Dual Immune BoosterRoyal Guard: every row against all products listing it