HMB 200g 3g Pure HMB Powder | 67 Servings HMB is a naturally occurring metabolite of the essential amino acid leucine, renowned for its role in supporting muscle growth, maintenance, and recovery. Whether you're looking to maximise your training results or preserve lean muscle mass, HMB is an effective addition to your supplement routine. Perfect for stacking with your favourite pre-workout, intra-workout, whey protein, or meal replacement product (MRP), HMB helps support muscle protein synthesis while reducing muscle breakdown during periods of intense training. HMB is an excellent choice for athletes, bodybuilders, and fitness enthusiasts engaging in regular resistance training, as well as anyone seeking to minimise muscle wastage and improve recovery between sessions.