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The first pin of testosterone enanthate 250mg had a fair ... The first pin of testosterone enanthate 250mg had a fair amount of post injection pain, but I think my technique was a bit rusty. Subsequent pins have been very mild in regards to PIP.
Testosterone Replacement Therapy. Testosterone is a major sex hormone produced in the testes of men. The pituitary gland is responsible for controlling the production of testosterone hormone. In the testes, luteinizing hormone binds to receptors on Leydig cells; this stimulates production and secretion of testosterone.Testosterone helps to develop the primary and secondary sexual characteristics in males.he pituitary gland is responsible for controlling the production of testosterone hormone. In the testes, luteinizing hormone binds to receptors on Leydig cells; this stimulates production and secretion of testosterone. Testosterone helps to develop the primary and secondary sexual characteristics in males.