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Androstenedione
Androstenedione is the hormone that is a direct precursor and metabolite of the hormone testosterone. Androstenedione and testosterone convert back and forth to each other by action of the enzyme 17-beta hydroxysteroid dehydrogenase. Since Androstenedione is synthesized into testosterone, it's supplementation likely increases testosterone production and the androgenic properties associated with testosterone that are desired by bodybuilders such as increased energy, strength, muscle development and decreased recovery time from workouts. German studies have shown up to a 337% increase in free testosterone levels after a 100 mg dose of androstenedione. Free testosterone levels may begin rising in as little as 15 minutes after taking androstenedione on an empty stomach.
Here is the biosynthesis pathway (conversion process) in the production of testosterone:
Cholesterol => Pregnenolone => DHEA => Androstenedione => Testosterone
Enzymes are involved at each step of the process and may be a limiting factor in these conversions. Androstenedione is most likely better at converting to testosterone than DHEA is. For one, DHEA is two steps away from testosterone. This means that there are more enzymes involved in the process. Androstenedione is only one step away. Optimal testosterone levels keep healthy red blood cells, a vital sex drive, rapid protein production, and a balanced immune system. You may also experience increased energy, heightened sexual arousal, greater sense of overall well-being, and enhanced recovery and repair after exercise.
In 100 mg doses, Androstenedione does not appear to have a negative effect on natural production of luteinizing hormone (LH). This is important because a reduction in luteinizing hormone would signal that natural testosterone production may be diminished. It is unknown whether larger doses of androstenedione will affect luteinizing hormone production.
Andro is not a steroid, it is not as powerful in developing muscle, and side effects arent as bad. Some side effects that can happen are, deepening in voice, more body hair, possibly acne, and it is believed that the liver can be damaged. But, like other drugs and steroids, the side effects wont be as bad if taken properly, if abused, more side effects can be expected.
19-Norandrostenedione
19-Norandrostenedione, has basically the same actions but is believed to be more easily utilized and have less potential side effects. Androstenedione and 19-Norandrostenedione are basically the same molecules with the only difference being the 19-Nor does not have a carbon at the 19th position of the molecule. In the liver, androstenedione is converted into testosterone whereas the 19-Nor is converted into nor-testosterone (often referred to as Nandrolone). The Nandrolone, like testosterone, has an anabolic effect (helps increase size and strength), but with less androgenic side effects such as deepening of the voice, body and facial hair increase, acne, etc.). Another reason why some prefer the 19-Nor over the regular androstenedione is because the body does not convert Nandrolone into estrogen compounds as readily as it does the excess testosterone in the body when taking the androstendione.
19-Norandrostenedione is converted easily through an enzyme controlled reaction. Though it's been mistakenly reported that the conversion enzyme may be easily depleted with pro-hormone use, we believe the enzyme used for 19-Norandrostenedione conversion, 17-BHD (17-beta hydroxysteroid dehydrogenase), is quickly replicated. This means you get full conversion and full anabolic (muscle-building) activity.
Disclaimer: We do not promote or condone the use of anabolic steroids. The author, or anyone working for this website does not sell or have any affiliation to selling of anabolic steroids. This website is for informational purposes, and only that.
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