Comparison
Immunity Defense and Thyroid Strength
Immunity Defense (Nutrilite) lists 5 distinct ingredients and Thyroid Strength (MegaFood) 8 (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 0.39.
| Ingredient | Immunity Defense | Thyroid Strength |
|---|---|---|
| Zinc | 20 mg (182%) | 8 mg (73%) |
| Selenium | 50 mcg (91%) | 70 mcg (127%) |
| Copper | 0.5 mg (56%) | 0.35 mg (39%) |
| Holy Basil | 400 mg | 250 mg |
| Iodine | 150 mcg (100%) | |
| Flavonoid | 100 mg | |
| Ashwagandha | 250 mg | |
| Tyrosine | 300 mg | |
| Coleus | 150 mg |
Amounts are per serving as DSLD gives them: Immunity Defense, 2 tablets; Thyroid Strength, 2 tablets. Current labels entered March 2025 and April 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Immunity DefenseNutrilite: every row against all products listing it
- Thyroid StrengthMegaFood: every row against all products listing it