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What is 3a-hydroxy-5a-androstan-17-one?


Androsterone is the nomenclature for 3a-hydroxy-5a-androstan-17-one, a sex hormone and non-methylated prohormone used to gain strength while reducing body fat. Androsterone can be converted to DHT, and has anti-estrogenic properties, so it won’t convert to estrogen in the body.


The closest legal supplement with this ingredient is Epi-Andro:

Super Epi Andro


What are the benefits of 3a-hydroxy-5a-androstan-17-one?




•Increases Strength


•Supports Fat Loss


•No Liver Toxicity


What are the side effects 3a-hydroxy-5a-androstan-17-one?


Androsterone is non-methylated, so there is no liver toxicity with consuming the product. Also, the anti-estrogenic effects means that gyno and water rentention are very unlikely. Some users may experience mild hair loss as a side effect.


Suggested Cycle Length/Dose


A typical cycle is 4-6 weeks using a 300/400mg dose each day. Individuals on their 1st cycle should start with a lower dose and work their way up.


Is 3a-hydroxy-5a-androstan-17-one a Cutting or Bulking Prohormone?


Cutting prohormone.  Androsterone is for individuals looking to get ripped.  It will help you make strength gains in the gym without the bloating and water retention.


Do I need Cycle Support?


Always. Cycle Support helps you minimize the potential for side effects during a cycle.


Should I take a PCT?


Yes.  A product like Vital Labs Post Cycle helps restore your bodys natural testosterone and preserves hard-earned muscle gained during your cycle. 


How Old Should I be to Take Prohormones?


Prohormones are recommended for men over the age of 21.


Most Popular Androsterone Product?


Buy IronMag Labs 1-Andro Rx for ONLY $49.95!