Comparison
Thyroid Support and ThyroPlex
Thyroid Support (Nature's Sunshine) lists 11 distinct ingredients and ThyroPlex (Karuna) 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 0.66.
| Ingredient | Thyroid Support | ThyroPlex |
|---|---|---|
| Zinc | 15 mg (136%) | 10 mg (91%) |
| Manganese | 5 mg (217%) | 5 mg (217%) |
| Copper | 1 mg (111%) | 1 mg (111%) |
| Tyrosine | not disclosed | 200 mg |
| Pituitary | not disclosed | 15 mg |
| Thyroid | not disclosed | 150 mg |
| Hypothalamus | not disclosed | 15 mg |
| Vitamin B6 | 5 mg (294%) | |
| Iodine | 110 mcg (73%) | |
| Proteolytic Enzymes (Proteases) | not disclosed | |
| Stinging Nettle | not disclosed | |
| Kelp | not disclosed |
Amounts are per serving as DSLD gives them: Thyroid Support, 1 capsule; ThyroPlex, 1 capsule. Current labels entered May 2020 and August 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Thyroid SupportNature's Sunshine: every row against all products listing it
- ThyroPlexKaruna: every row against all products listing it