Boldenone is a LA Pharma steroid that is in injectable form. There are different names under which this steroid goes such as 1-Dehydrotestosterone, Δ1-Testosterone, RU-18761 and Androsta-1,4-dien-17 β-ol-3-one.
This probably means nothing to you, but maybe boldenone undecylenate rings a bell.
