Androstenedione-the truth comes out
Androstenedione entered the national spotlight in the summer of 1998, when
Baseball home run record-holder Mark McGwire told reporters that he used
The supplement to improve his performance. Since McGwire's admission a
Little more than 18 months ago, androstenedione use has increased 500%
According to a recent press release by Barry McCaffrey, director of the
Office of National Drug Control Policy.
Manufacturers claim that "Andro," as the supplement is commonly known,
Boosts the body's natural testosterone levels and increases
Muscle-building ability. Body-builders tout it as a natural alternative to
Anabolic steroids. Nevertheless, questions remain about the efficacy and
Safety of this widely available substance, which is currently unregulated
By the Food and Drug Administration (FDA).
Androstenedione is a steroid hormone that is part of what is called the
Production pathway for testosterone. Testosterone promotes muscle growth,
But it also increases body hair, can cause acne, and enhances growth of
The prostate gland. Some believe that higher levels may adversely affect
Cholesterol levels and cardiovascular health.
Manufacturers claim that Andro boosts testosterone levels, allowing
Weightlifters to increase muscle mass without resorting to synthetic
Steroid injections. Andro is touted as "natural" because it is normally
Made in the adrenal glands and testes. Anabolic steroids are synthetic
Derivatives of testosterone not found in the body. In theory, Andro
Supplements are converted to natural testosterone in the body.
Despite a lack of persuasive evidence that Andro can actually
Boost muscle mass, the supplement has been heavily marketed
And is widely used by athletes and body-builders.
Despite a lack of persuasive evidence that Andro can actually boost muscle
Mass, the supplement has been heavily marketed and is widely used by
Athletes and body-builders.
Nevertheless, according to a study by Douglas S. King, PhD, and colleagues
At Iowa State University, androstenedione does not appear to help build
Muscle or increase blood testosterone levels. Published in the June 2,
1999, issue of the Journal of the American Medical Association (JAMA), the
Study compared testosterone levels in 20 young men who were on a moderate
8-week muscle-training regimen. Half of the subj...
... middle of paper ...
...tes. Most of the subjects
In King's study were relative newcomers to weight training, and such
Inexperienced weight trainers generally make impressive gains in the early
Phase of resistance training. Those gains could overshadow, statistically,
Any potential benefit from androstenedione.
As Yesalis notes in his editorial, "Future studies may need to focus on
The effects of a higher dose of androstenedione administered over a period
Longer than 8 weeks."
Dr. Yesalis concludes with a call for government review of the supplement.
"In the case of androstenedione," he writes, "the study by King et al
Contributes to the evidence suggesting that the government should
Carefully consider intervening and remove androstenedione and its
Derivatives from the market."
Meanwhile, in light of the potential health hazards and lack of evidence
For androstenedione's muscle-building power, consumers should proceed with
Caution and consult a physician before traveling this largely unmarked
ANDROS-D (Andro) Ingredients: Each capsule contains Pure Micronzed Androstenedione - 100mg. Zinc - 15mg. Bioperine -
2.5mg. Suggested Use: Take 1-2 capsules daily.
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