Comparison

NO2 Full Cycle and NO2 Black Full Cycle

NO2 Full Cycle (MRI Performance) lists 9 distinct ingredients and NO2 Black Full Cycle (MRI Performance) 8 (rows of one ingredient counted once); 8 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 0.78.

Amount per serving (and % of the Daily Value)
IngredientNO2 Full CycleNO2 Black Full Cycle
Vitamin C180 mg (200%)180 mg (200%)
Vitamin D20 mcg (100%)20 mcg (100%)
Grapenot disclosednot disclosed
Argininenot disclosednot disclosed
Acetyl L-Carnitinenot disclosednot disclosed
Citrulline malatenot disclosednot disclosed
Arginine Alpha Ketoglutaratenot disclosednot disclosed
Norvalinenot disclosednot disclosed
Taxifolin10 mg

Amounts are per serving as DSLD gives them: NO2 Full Cycle, 3 caplets; NO2 Black Full Cycle, 3 caplets. Current labels entered September 2017 and March 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own