Prohormone & Supplement Ingredients:


17-hydroxy-androst-1-en-3-one AKA dihydroboldenone, 1-test, 1-testosterone. It's the conversion product of 1AD.


An anabolic steroid that differs from testosterone by having a 1,2-double bond instead of 4,5-double bond in its A ring. It was legally sold as a prohormone in the United States until 2005, when it was reclassified as a Schedule III drug.

A 2006 study determined that 1-testosterone has a high androgenic and anabolic potency even without being metabolized, so it can be characterized as a typical anabolic steroid.

1-Testosterone binds highly selective to the androgen receptor (AR) and has a high potency to stimulate AR dependent transactivation.

Doping with 1-testosterone can be detected in urine samples using gas chromatography.

A prodrug of 1-testosterone is 5-androst-1-ene-3,17-dione, which may be synthesized from stanolone acetate.
Supplements with this ingredient:
None (for now)

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