Comparison
Barbarian XL and Test Booster RX
Barbarian XL (Zenith Labs) lists 9 distinct ingredients and Test Booster RX (Fit Father Project) 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 0.57.
| Ingredient | Barbarian XL | Test Booster RX |
|---|---|---|
| Vitamin B6 | 12 mg (706%) | 10.5 mg (618%) |
| Vitamin D | 125 mcg (625%) | 20 mcg (100%) |
| Magnesium | 100 mg (24%) | 200 mg (48%) |
| Zinc | 30 mg (273%) | 11 mg (100%) |
| Ashwagandha | 600 mg | 750 mg |
| Eurycoma Longifolia | 200 mg | 200 mg |
| Shilajit | 100 mg | 250 mg |
| Calcium | 66 mg (5%) | |
| Boron | 10 mg | |
| Oriental Ginseng | 100 mg | |
| Boswellia serrata | 150 mg |
Amounts are per serving as DSLD gives them: Barbarian XL, 2 capsules; Test Booster RX, 4 capsules. Current labels entered June 2025 and January 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Barbarian XLZenith Labs: every row against all products listing it
- Test Booster RXFit Father Project: every row against all products listing it