Beta-hydroxy-beta methylbutyrate (HMB) is a by-product or metabolite of the essential amino acid, Leucine. HMB is produced in our body from the proteins in our diet and is also consumed in small amounts from the foods we eat. However, only a small amount (roughly 5%) of the Leucine you eat is converted into HMB. For the production of HMB to reach optimal gram quantities per day, you'll need 20-50 grams of Leucine. Consequently, getting enough HMB from your diet alone is virtually impossible.
Research has shown that supplementing with 3g of HMB per day helps to slow down a process called proteolysis, the natural process of breaking down muscle tissue that occurs after intense physical activity (eg weight training) taking HMB gives the body a head start with muscle recovery by minimising the amount of muscle breakdown and protein degradation after exercise. This means that your body stays in an anabolic state for longer, allowing for more muscle growth. HMB basically enhances the effects of exercise on muscle size and strength
Hydroxy Methyl Butyrate Calcium, Capsule Shell (Hydroxy Propyl Methylcellulose; Colouring Agent: Titanium Dioxide), Bulking Agents (Microcrystalline Cellulose, Dicalcium Phosphate), Anti-caking Agents (Magnesium Salts of Fatty Acids, Silicon Dioxide).