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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.
Aging, Testosterone. Testosterone injections deliver testosterone into the muscle. The testosterone is then absorbed directly into the blood stream over time. The absorption period depends on the type of testosterone injected. Injections usually take place in the thighs, glutes or deltoid muscles.