Ph D Fitness The Ph D HMB is a very advanced supplement that often gets overlooked. It has a great effect on fighting muscle breakdown & fight in helping to repair the muscle. Hm B itself is a component of Leucine which recently has been widely investigated with results coming back positive for the user. Hm B is a very clever supplement that should be used in any bodybuilders daily regime. Beta-hydroxy beta-methyl butyrate (HMB) is a metabolite of the amino acid Leucine & is synthesized in the human body. It plays a part in protein synthesis & was discovered by Dr. Steve Nissen in scientific studies to purportedly increase muscle mass & decrease muscle breakdown. Research published in the Journal of Applied Physiology & other peer reviewed publications has shown that HMB may have an effect on increasing muscle weight & strength. Three grams of HMB per day may help muscles combat protein breakdown, assist in muscle repair & support increased endurance. Also, well-controlled scientific studies have found increases in muscle mass & decreases in body fat. Who needs to use Pharma HMB?+ Athletes seeking lean muscle mass+ All athletes looking for increased recovery time+ Strength & endurance athletes looking to offset muscle damage.+ People who may be injured & cannot workout, which will assist in keeping muscle mass.