Iron Kingdom Pre-Workout - White Freezie Iron Kingdom Pre-Workout is a workout supplement. Pre-Workout is a workout supplement that is a great source of amino acids involved in muscle protein synthesis. Pre-Workout assists in the building of lean muscle mass when combined with regular resistance training and a healthy balanced diet. Pre-Workout helps to relieve fatigue, and to promote endurance. Energy, Focus, Strength Natural Colours and Flavours that taste great! No fillers or proprietary blends 6000mg L-Citrulline Malate 3200mg Beta-Alanine 2500mg Betaine 300mg Caffeine Anhydrous 400mcg Huperzine-A Plus 6 more active ingredients including: L-Tyrosine, Taurine, Vitamin C, Grape Seed Extract, Vitamin B6 and Piper Nigrum Fruit Extract (Black Pepper) NPN 80094372