Prohormone & Supplement Ingredients:


This compound is also called simply androstenetrione. It's also been sold as 6-OXO. It is an OTC aromatase inhibitor (AI) which blocks the conversion of testosterone to estradiol.

It works by lowering E2 which in turn stimulates the hypothalamus and pituitary to signal for the increased productin of testosterone. It also downregulates SHBG which in turn increases the free testosterone portion responsible for muscle development and strength.

Used primarily as part of a PCT cycle after using prohormones or AAS to limit estrogen related sides.
Supplements with this ingredient:
None (for now)

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