Comparison
ThyroPlex and BioThyro
ThyroPlex (Karuna) lists 8 distinct ingredients and BioThyro (BioGenesis Nutraceuticals) 9 (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 0.74.
| Ingredient | ThyroPlex | BioThyro |
|---|---|---|
| Zinc | 10 mg (91%) | 7.5 mg (68%) |
| Manganese | 5 mg (217%) | 4.5 mg (196%) |
| Copper | 1 mg (111%) | 1 mg (111%) |
| Iodine | 110 mcg (73%) | 75 mcg (50%) |
| Pituitary | 15 mg | 20 mg |
| Thyroid | 150 mg | 150 mg |
| Hypothalamus | 15 mg | 20 mg |
| Selenium | 15 mcg (27%) | |
| Tyrosine | 200 mg | |
| N-Acetyl Tyrosine | 100 mg |
Amounts are per serving as DSLD gives them: ThyroPlex, 1 capsule; BioThyro, 1 capsule. Current labels entered August 2014 and April 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.