Comparison
Stamina-Rx and Zyrexin 525 mg
Stamina-Rx (Hi-Tech Pharmaceuticals) lists 7 distinct ingredients and Zyrexin 525 mg (Superbalife International) 9 (rows of one ingredient counted once); 6 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 0.61.
| Ingredient | Stamina-Rx | Zyrexin 525 mg |
|---|---|---|
| Arginine | not disclosed | not disclosed |
| Yohimbe | not disclosed | not disclosed |
| Epimedium | not disclosed | not disclosed |
| Yohimbine | 8 mg | 8 mg |
| Cnidium | not disclosed | not disclosed |
| Xanthoparmelia | not disclosed | not disclosed |
| Ginkgo | not disclosed | |
| GABA | not disclosed | |
| Cowhage | not disclosed | |
| Butea superba | not disclosed |
Amounts are per serving as DSLD gives them: Stamina-Rx, 2 tablets; Zyrexin 525 mg, 2 tablets. Current labels entered January 2012 and June 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Stamina-RxHi-Tech Pharmaceuticals: every row against all products listing it
- Zyrexin 525 mgSuperbalife International: every row against all products listing it