Muscle Stamina. Alertness, Focus & Mood. 4,000 mg Beta Alanine. 2,000 mg Betaine. 1,000 mg Taurine. Caffeine, Theanine, N-Acetyl-L-Tyrosine, Beta PEA, Synephrine. 4,000 mg of Beta Alanine per bottle – more than any other RTD in the industry – will power you through your toughest workouts by buffering lactic acid in muscles and increasing physical performance – allowing faster between set recovery and an increase of reps per set. Added Betaine is proven to increase strength and works synergistically with Beta Alanine. Taurine, Theanine, N-Acetyl-L-Tyrosine, and Beta PEA boost mental focus and overall mood – and Caffeine and Synephrine provide a major energy boost – all make Critical FX the complete hardcore training RTD. Train Naked Labs has nothing to hide. You will find full disclosure of all ingredients in the Supplement Facts panel.