Comparison
Zma and Xtreme ZMA
Zma (NOW Sports) lists 3 distinct ingredients and Xtreme ZMA (XPI Xtreme Pharmaceutical Innovations) 3 (rows of one ingredient counted once); 3 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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | Zma | Xtreme ZMA |
|---|---|---|
| Vitamin B6 | 15 mg (882%) | not disclosed |
| Magnesium | 450 mg (107%) | 450 mg (107%) |
| Zinc | 30 mg (273%) | 30 mg (273%) |
Amounts are per serving as DSLD gives them: Zma, 3 capsules; Xtreme ZMA, 3 capsules. Current labels entered July 2024 and January 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- ZmaNOW Sports: every row against all products listing it
- Xtreme ZMAXPI Xtreme Pharmaceutical Innovations: every row against all products listing it