Comparison

Amplified N.O. Pump & Charge and Amplified N.O. Charger & Circulatory Pump

Amplified N.O. Pump & Charge (GNC Pro Performance AMP) lists 2 distinct ingredients and Amplified N.O. Charger & Circulatory Pump (GNC Pro Performance AMP) 2 (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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientAmplified N.O. Pump & ChargeAmplified N.O. Charger & Circulatory Pump
Arginine1,500 mg1,500 mg
Resveratrol30 mg30 mg

Amounts are per serving as DSLD gives them: Amplified N.O. Pump & Charge, 2 caplets; Amplified N.O. Charger & Circulatory Pump, 2 yellow caplets. Current labels entered March 2014 and December 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own