Comparison
NAC 600 mg and Yeast-Free Selenium
NAC 600 mg (NOW) lists 3 distinct ingredients and Yeast-Free Selenium (SuperiorLabs) 2 (rows of one ingredient counted once); 2 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 0.71.
| Ingredient | NAC 600 mg | Yeast-Free Selenium |
|---|---|---|
| Selenium | 25 mcg (45%) | 200 mcg (364%) |
| Selenomethionine | 5,000 mcg | 40,000 mcg |
| N-Acetyl Cysteine | 600 mg |
Amounts are per serving as DSLD gives them: NAC 600 mg, 1 capsule; Yeast-Free Selenium, 1 vegetarian capsule. Current labels entered June 2024 and October 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- NAC 600 mgNOW: every row against all products listing it
- Yeast-Free SeleniumSuperiorLabs: every row against all products listing it