
Originally Posted by
CRUISECONTROL
Testosterone is usually attached to an ester (i.e. when you buy testosterone propionate, the subject of this profile, you are buying testosterone with a propionate ester attached). The ester determines how long it takes your body to dispose of the steroid in question, and propionate is the shortest ester available with a testosterone base (of course, testosterone suspension has no ester). There are enzymes, called esterases, in your body which have the function of removing the ester from steroids, and leaving you with just the steroid molecule with the ester cleaved off. Depending on how heavy the ester chain is, that determines how long it takes the esterase to remove it. And that amount of time determines how long the drug stays active in your body. Great, right? Not really...see, the ester takes up "room" in the injection. Check out this chart:
Chemical = Formula = Molecular Weight = Mg of Testosterone
Testosterone (no ester) = C19 H28 O2 = 288.4mg = 100mg
Propionate = C3 H4 O = 56.1mg = 83.72mg
Cypionate = C8 H4 O = 124.2mg = 69.90mg
Ref Hookers profile on prop