How do I boost my levels of testosterone and growth hormone?
It is possible to increase anabolic hormone production naturally however - the simplest method of doing this is by regulating the intensity of the weightlifting session. This is achieved by manipulating volume (sets and reps), load (%1RM*) and rest periods. Evidence indicates that exercises that recruit large muscle groups (legs and back) in exercises such as squats and deadlifts and that are performed with high intensity and moderate volume boost serum testosterone concentrations. Therefore the exerciser should use heavy loads (85-95% 1 RM) and multiple sets/exercises separated by short rest periods (30 -60s). Testosterone, the male sex hormone is responsible for the increased muscle mass and strength observed in men. This steroid hormone operates both on a gene level to increase muscle protein production (increased gene transcription) - ibutamoren for sale. It is also suspected to work on the central nervous system, allowing greater muscle activation by motor neurons, resulting in greater force production. (It is unlikely that herbal testosterone "precursors" such as tribulus terestris have a large impact on production - the exerciser should save his time and money and devote more effort into sensible eating and exercising according to these guidelines.)
Human growth hormone (HGH) is a polypeptide (non steroid) hormone released form the pituitary gland at the base of the brain, and its release similar to testosterone, is dependent on the level of "stress" experienced by the body. Its main functions are to increase the transport of amino acids over cell membranes and to increase the synthesis of muscle protein, connective tissue (e.g. collagen) bone and cartilage thus directly causing "growth". It also is responsible for increasing the level of glucose and fatty acids in the blood, and therefore has a direct body-fat reducing quality. Studies involving the release of growth hormone during exercise indicate that a typical bodybuilding program of multiple sets (higher volumes) of moderate intensity (e.g. 10RM) separated by short (1 min.) rest periods produce the largest increases. Many of the actions of growth hormone are actually mediated by another hormone called IGF-1 (insulin-like growth factor-1) released by the liver and other organs in response to HGH. The release of this powerful stimulator of muscle growth has been shown to increase in response to the consumption of a carbohydrate and protein supplement before and immediately after a weightlifting workout.
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