What is steroids?


Anabolic steroids are the synthetic version of testosterone, that is, the male hormone. They have effects on the human body, one of them would be the growth and building of muscle. Currently, there is no category of sports, in which athletes did not take steroids. The largest group of consumers of oral or injectable steroids are non-competitive, the reason being purely cosmetic. Steroids produce the same result at the end of a training course, be it long or short training. They stimulate the cell nucleus to produce cell-specific proteins.

Testosterone formation.

Testosterone is secreted by: Testicles; Adrenal gland and Ovary.

It is extracted from cholesterol through a variety of complicated steps. The stimulus for testosterone formation originates initially from the hypothalamus, an area of the brain where several hormones develop that refer to the function of other glands. Once testosterone is formed, it is secreted into the blood, where most of it is bound to proteins, and is transported throughout the body.

Method of action.

When testosterone is injected it is first converted to 5 alpha di-hydrotestosterone (DHT). The next step in the hormone is binding to an androgen receptor (AR) to form a complex that are transported to the nucleus where they have important reactions to building muscle. There are no separate receptors, such as for oral or injectable steroids, the protein depends on the cell in which the reaction takes place, regardless of the type of administration. The number of receptors in the cell is limited and, once saturated, they cannot be combined with additional material, thus limiting the anabolic effect of high doses or prolonged courses. As muscle cell hypertrophy, the number of receptors increases slightly, but this is not enough to require large amounts or extended courses for saturation.

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