When Bodybuilders used testosterone esters to build muscle, they found that long ester Test Cypionate had more sexual side effects than short ester Test propionate, and these side effects mainly showed inhibition of HPTA(natural testosterone levels) and low libido. The use of exogenous tests can suppress natural testosterone production, but exogenous tests can replace some of the effects of testosterone. …
For many people, 300ng/dL is a very low testosterone level. If the testosterone level is this value, there may be certain symptoms of low testosterone. However, normal testosterone levels range from 264 to 916ng/dL, indicating that 300ng/dL is a normal value. Why is there such a wide range of testosterone levels? This is because men’s testosterone levels are constantly changing …
More and more people are aware of the possible effects of a gradual decline in testosterone levels with age and are looking for ways to boost their testosterone levels. Testosterone supplements are the most established and effective way to boost testosterone, and many people are trying to get TRT(testosterone replacement therapy). However, in addition to TRT, SERM is also an …
Natural testosterone refers to the testosterone naturally secrete by the body, which mainly produce by the testicles and regulate by positive and negative feedback of HPTA. Exogenous testosterone refers to testosterone introduced into the body from the outside, including testosterone replacement therapy (TRT) or anabolic steroids (AAS). Exogenous testosterone plays a role similar to natural testosterone, but it does not …