Gen-Shi Testosterone Propionate 500, which consist of Testosterone Propionate, manufactured by Gen-Shi Labs which is the company that have wide range of products; moreover, It has a good reputation on the market due to the experience and the foundation they have.
Testosterone propionate is a fast-acting testosterone compared to Enathate and Cypionate with potential similar adverse effects. Fifty mili-grams of testosterone propionate takes effect on testosterone levels for one or two days. This compares to an elevation of testosterone levels for one to two weeks following the administration of testosterone enanthate. Therefore it is common to use it with more frequent injection schedules such as everyday or everyother day. In the same time fast-acting effects, testosterone propionate has, provides that the steroid can be cleaned from the body much more faster than other steroids (Enanthate, Cypionate), which makes it the top choice for tested athletes.
Testosterone is considered as the base steroid for most of all cycles. It has both anabolic and androgenic effects on the body. It is the most popular steroid to gain in muscle size and strenght.
Testosterone Propionate also has a reputation for causing fewer side effects than either Enanthate or Cypionate due to its shorter duration of effect. Although the adverse effects of Testosterone Propionate is milder than other testosterons, the estrogen buildup and its other adverse effects can become an issue for sensitive users and whom choose to use a high dose of the Testosterone Propionate. For this reason, to minimize the estrogen based side effects, using an anti-estrogen additionally (such as Tamoxifen, Proviron, Anastrozol) is commonly recommended for sensitive users or those who use high dose of Testosterone Propionate. Additionally, it is said that Testosterone Propionate rarely cause hypertension but may aromatize at high dosages.