A-Pharma Boldenone 250mgA Pharma Boldenone 250mg in Pakistan Boldenone was created as an attempt to produce an injectable version of Danabol. To do this, scientists simply added an ester (the very slow releasing Undecylenate ester) to the same steran nucleus they created out of testosterone to create Danabol. This means they simply added a double bond between carbon atoms 1 and 2, and in this case, esterified it. This 1 2 double bond dramatically slows the rate of conversion