Comparison
Thyrite and Thyroid Strength
Thyrite (UMZU) lists 11 distinct ingredients and Thyroid Strength (MegaFood) 8 (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 0.59.
| Ingredient | Thyrite | Thyroid Strength |
|---|---|---|
| Zinc | 15 mg (136%) | 8 mg (73%) |
| Selenium | 200 mcg (364%) | 70 mcg (127%) |
| Copper | 2 mg (222%) | 0.35 mg (39%) |
| Iodine | 1 mcg (under 1%) | 150 mcg (100%) |
| Ashwagandha | 350 mg | 250 mg |
| Tyrosine | 300 mg | 300 mg |
| Coleus | 250 mg | 150 mg |
| Magnesium | 300 mg (71%) | |
| Niacin | 50 mg (313%) | |
| Taurine | 150 mg | |
| Leucine | 0.16 g | |
| Holy Basil | 250 mg |
Amounts are per serving as DSLD gives them: Thyrite, 4 capsules; Thyroid Strength, 2 tablets. Current labels entered January 2023 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
- ThyriteUMZU: every row against all products listing it
- Thyroid StrengthMegaFood: every row against all products listing it