Comparison

Vitrix Maximum Impact and Tribu Power

Vitrix Maximum Impact (Nutrex Research) lists 2 distinct ingredients and Tribu Power (New You Vitamins) 3 (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 0.64.

Amount per serving (and % of the Daily Value)
IngredientVitrix Maximum ImpactTribu Power
Tribulus1,000 mg900 mg
Protodioscinnot disclosed180 mg
Saponins (unspecified)360 mg

Amounts are per serving as DSLD gives them: Vitrix Maximum Impact, 6 capsules; Tribu Power, 2 capsules. Current labels entered June 2012 and July 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own