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19-norandrostenedione: The Prohormone of Choice


BodybuildingPro.com Supplements Database Prohormones 19-norandrostenedione: The Prohormone of Choice



19-norandrostenedione has rapidly become the prohormone of choice for non-competitive trainers looking to enhance overall lean muscle mass

Because of it's relatively low side-effect profile and its overall effectiveness, 19-norandrostenedione has rapidly become the prohormone of choice for non-competitive trainers looking to enhance overall lean muscle mass.

19-norandrostenedione (also known as nor andro, 19- norandro, and/or 19-nor) is a chemical molecule that's virtually identical to androstenedione (itself a metabolite of DHEA) with the significant exception that unlike androstenedione, 19-norandrostenedione lacks a carbon molecule in the 19th position (hence the "19-nor" prefix).

Because of this, 19-norandrostenedione is actually converted to what's known as nor-testosterone in the liver (while androstenedione is converted to testosterone). Basically the thing to remember is that nor-andro converts to nor-testosterone.

While not quite as anabolic as testosterone, nor- testosterone-often called nandrolone-is still a potent anabolic molecule in the body.

Nandrolone is chemically the foundation of Deca-Durabolin. "Deca" has of course been one of the most popular anabolic steroids in the bodybuilding world for years largely because of its muscle growth properties and its relative lack of serious side-effects.

Nandrolone is quick to attach itself to natural steroid receptors in the body. And it's further believed that nandrolone's effects last longer than even testosterone. The real benefit of nandrolone, however, may be that while it produces good anabolic effects in the body, its aromatization to estrogen and its negative androgenic side-effects are significantly lower than that of testosterone and testosterone precursors like androstenedione and androstenediol.

So with 19-norandrostenedione, the chances of estrogen induced side-effects such as gynecomastia (female-like breast tissue) and DHT complications such as acne, male pattern baldness, and enlarged prostrate are greatly reduced.

This combination of anabolic properties with reduced estrogen aromitization and androgenic complications is precisely what makes 19-norandro such an effective, potent, and relatively safe muscle-building supplement. One important side-note here is that tested athletes need to be aware that because of its conversion in the liver to nandrolone, 19-norandrostenedione may indeed lead to positive on a steroid test for Deca or Nandrolone.

Recommendations: For best results take 100mg-250mg of 19- norandrostenedione 1-3 times daily. On training days, be sure to take one dose approximately 30 minutes prior to training.

Cycle: You need to cycle 19-norandrostendione so that your body doesn't simply adjust to the high levels of nandrolone. Cycle ON for 4-6 weeks maximum; then cycle OFF for at least 2-4 weeks before repeating.

Women: 19-norandrostenedione is one of the few prohormones that women can benefit from without significant side- effects. Women should use the lowest effective dosage levels possible. Most of my female clients report that doses of 100mg per day or less are sufficient to produce desired results; many start with 50mg on training days and monitor results closely.

Brand Recommendations: There are several quality 19- norandrostenedione products on the market. The highest dose product is AST's popular 19-Nor 250. Bolandione from Syntrax Innovations and the New Nor Stack Formula from Substrate Solutions are also solid.


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