This was taken from one of my more recent profiles
Pharmaceutical Name: Testosterone (as Enanthate)
Chemical structure: 4-androstene-3-one,17beta-ol
Molecular weight of base: 288.429
Molecular weight of ester: 130.1864 (enanthoic acid, 7 carbons)
Effective dose: 250-1000 mg/week
Like testosterone cypionate, enanthate is a single-ester and long-acting form of the base steroid testosterone. To me, its slightly better value for money than the aforementioned because its ester is only 7 instead of 8 carbons in length. Where that doesn't really change much in terms of release and blood concentration for users who inject on a weekly basis, that does mean that less of the weight is ester and more of it is testosterone. When taking an amount of an esterified steroid, that amount in terms of weight is a combination of the ester and the steroid. Naturally the longer the ester is, the more of the weight it takes up. So its safe to state that 500 mg of enanthate contains more testosterone than does 500 mg of cypionate. Not that this slight difference will be noted on a weekly pattern really, but its enough for me to give it a slight edge if given the choice. Although, as stated with cypionate, your choice between enanthate and cypionate is best based on availability. These are a much better choice than sustanon 250 or omnadren, which are blends of different testosterone esters, due to their irregular release.
Pharmaceutical Name: Testosterone (as Cypionate)
Chemical structure: 4-androstene-3-one,17beta-ol
Molecular weight of base: 288.429
Molecular weight of ester: 132.1184 (cypionic acid, 8 carbons)
Effective dose: 250-1000 mg/week
Testosterone Cypionate is a single-ester, long-acting form of testosterone. Due to the length of its ester (8 carbons) it is stored mostly in the adipose tissue upon intra-musuclar injection, and then slowly but very steadily released over a certain period of time. A peak is noted after 24-48 hours of injection and then a slow decline, reaching a steady point after 12 days and staying there for over 3 weeks time. Of course most users of anabolics will not find adequate benefit in the use of this steady-point dose, so this product is normally injected once a week, making the very lowest dose higher than half the peak dose at any given time. This is roughly the starting blood level as well. A long-acting testosterone ester is a must-have in any mass-building cycle. As such this is a very decent product.
Personally I have more affinity for testosterone enanthate, but few users will note any real difference between the two products, and both remain a better buy than their popular counterpart sustanon 250, which is a poor choice of testosterone in my opinion. It makes sense that a user simply opts for which one is most readily available at the time.
