Anabolic Steroid Bodybuilding Prohormone Supplements Androstenedione CAS 63-05-8

Anabolic Steroid Prohormone Androstenedione Powder For Strength Gain

Androstenedione Basic Info

Name: Androstenedione

Other Name: Andro; andros; 4-Androstenedione. 17 ketotestosterone; 4-androsten-3,17-dione.

CAS No: 63-05-8
Puriy: 99%
Characters: near white crystalline powder, soluble in ethanol, insoluble in water
Molecular Formula: C19H26O2
Molecular Weight: 286.41

Androstenedione Description

Androstenedione is a steroid hormone that has weak, androgenic actions on the body itself. However, it mainly acts as a stepping stone in the manufacture of testosterone and oestrogen within the body.

Androstenedione is described as a ‘pro-hormone’ because it has few effects itself. Instead, it is important because of the ability of different parts of the body to convert it into the hormones, testosterone and oestrogen, which exert many effects on the body.

In females, the outer part of the adrenal glands (known as the cortex) and the ovaries release androstenedione into the bloodstream where it is converted to provide around half of all testosterone and almost all of the body’s oestrone, a form of oestrogen. Although the testes produce large amounts of androstenedione in males, they secrete little of this into the blood and, instead, rapidly convert it into testosterone within the testes. The adrenal glands also produce androstenedione in men, but this contribution is swamped by the testes’ overwhelming production of the other androgenic hormone, testosterone.

Androstenedione Application

Basically pregnenolone, the grandmother of all steroid hormones, is converted into DHEA, which in turn is converted into androstenedione, which can then be converted into testosterone and estrogens. Hence, androstenedione side effects are likely to be similar to the side effects of DHEA, testosterone, or other androgens, and perhaps partially similar to estrogen side effects.
 

Some body builders report anecdotally that they notice increased strength on the days they work out when they use it. Others use it occasionally to boost sex drive or wellbeing. Those who are young and already have high levels of testosterone or androstenedione in their system are not likely to notice much of a sex boosting effect. Middle aged and older individuals may notice the benefits more easily. It is potentially an alternative to DHEA or testosterone as a form of androgen replacement in aging men or women.

A highly publicized study indicates that androstenedione may not live up to its hype. The study published in the June 2, 1999 issue of the Journal of the American Medical Association compared 300 mg with a dummy pill in 20 men ages 19 to 29 during an eight-week weightlifting program. Researchers found no difference in strength between the two groups of men.

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