Test E 300mg - Optimum laboratories


Test E 300mg is a slow acting injectable form of the androgen Testosterone. It is highly favoured by athletes for its ability to promote strong increases in muscle mass and strength.

It is a modified form of Testosterone, where a enanthoic acid ester (carboxylic acid) has been attached to the 17-beta hydroxyl group. Esterified forms of Testosterone are absorbed more slowly from the area of injection.

It delays relatively less water than Sustanon and its analogues, which in turn affects the quality of the increase in dry muscle mass. Following deep intramuscular injection, once in the bloodstream, the ester is removed to yield free (active) Testosterone. It is designed to provide a sustained release of Testosterone into the bloodstream for approximately 2 to 3 weeks.

The injections are usually required at least every two weeks, in order to maintain normal physiological levels of Testosterone during androgen replacement therapies. Esterified forms of Testosterone are designed to prolong the window of therapeutic effect following administration, allowing for a less frequent injection schedule compared to injections of unesterified steroid. The half-life of Testosterone Enanthate is approximately eight days after injection.


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