Optimum Nutrition Pre-Workout Amplifier Powder (Citrus Mango)

Optimum Nutrition Pre-Workout Amplifier Powder (Citrus Mango) is a powder supplement with a TrustScore of 4.0 (Reconsider). Serving size is 19 G (About 3 Scoops), with 20 servings per container and $1.50 per serving. Key active ingredients include Beta-Alanine, Betaine Anhydrous, Micronized L-Citrulline, and Calcium. It is backed by ISO 17025-accredited third-party testing and a avoid inactive ingredient profile, while product-specific testing is not currently verified by SuppCo.