Cellucor® - C4 Ultimate Shred Pre-Workout - Pink Lemonade - 20 Servings C4 Ultimate Shred Powers Your Most Strenuous Moments Of Physical Performance & S Fat-Burning. 300Mg Caffeine 3. 2G Carnosyn® Beta-Alanine 200Mg Peptipump® 250Mg Mitoburn 100Mg Oligonol 40Mg Caloriburn 20Mg Cayenne Extract Tri-Stim Experience Fat Burning Boost Increased Metabolism Ai-Powered Peptides Enhanced Focus | Cellucor C4 Ultimate Shred Pre-Workout - Pink Lemonade (20 Servings)