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Boldenone Undecylenate (Equipoise)

Home >> Steroid Profiles >> Boldenone Undecylenate (Equipoise)

by Bill Roberts - Boldenone appears to be comparable to nandrolone in its potency. It lacks nandrolone’s advantage of being metabolically deactivated by 5a -reductase. It is only slightly estrogenic, and only after conversion to estrogen. I cannot at the moment comment on whether the effect it does produce is owed to strong binding at the AR or to effectiveness in promoting non-AR-mediated mechanisms for growth. I wouldn’t expect much results with less than 400 mg/week. With that dose I would expect to see some noticeable but not dramatic results by the third week. Below 200 mg/week I would expect to see essentially nothing.

Boldenone undecylenate is the chemical name of active ingredient in Equipoise. Equipoise is a registered trademark of Wyeth Holdings Corporation in the United States and/or other countries.

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Boldenone (Equipoise) Chemical Structure

Substance name Boldenone  undecylenate [USAN]
Chemical name* 17beta-Hydroxyandrosta-1,4-dien-3-one 10-undecenoate
Systematic name [(8S,9S,10S,13S,14S,17S)-10,13-dimethyl-3-oxo-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] undec-10-enoate
Index name Androsta-1,4-dien-3-one, 17-((1-oxo-10-undecenyl)oxy)-, (17-
beta)- (9CI)
CAS registry number 13103-34-9; 846-48-0 (base)
Merck Index Number Merck 11, 1327
Chemical formula C30-H44-O3
Molecular weight 452.675 g/mol
Legal status Veterinarian use only (US); DEA Schedule III (US)
Routes of administration Intramuscular

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