Steranabol Oxabolone Cypionate
Pharmaceutical Name: Oxabolone Cypionate
Chemical Name: 19-norandrost-4-en-4,
Molecular Weight (Base): 290.4016
Molecular Weight (Ester): 132.1184
Active Life: 14-18 days
Anabolic/Androgenic Ratio: 50-90/20-60
Oxabolone cypionate is a relatively rare drug that was once produced in Europe
for human use. It is no longer produced by pharmaceutical companies; Upjohn and
Pharmacia were the primary producers of it previously. However, it appears that
this drug would be quite beneficial for those athletes looking for improved
strength and/or muscle mass due to its rather unique characteristics.
Oxabolone cypionate is a structural derivative of nandrolone. It differs via the
additional 4-hydroxyl group that is attached (1), therefore making oxabolone
cypionate 4-hydroxynandrolone. Most users will recognize that due to this
compound being derived from nandrolone that this drug exhibits relatively more
anabolic properties then androgenic. Interestingly unlike nandrolone, not only
does oxabolone cypionate not convert to estrogen but it may in fact act in an
aromatase inhibiting capacity. This is due to the 4-hydroxyl group that is
attached. In some other drugs this group acts as a potent suicide substrate for
the aromatase enzyme (1). It would be reasonable to extrapolate then that this
would also be true for oxabolone cypionate. Obviously this could be beneficial
to a user that is stacking this drug with others where steps may be needed to be
taken to ensure that aromatase inhibition is carried out so as to prevent
estrogenic side effects from becoming a problem.
In terms of its potential for building muscle, oxabolone cypionate is a
relatively mild drug. This of course is seemingly the trade off for the lack of
negative side effects. While massive gains in strength and/or muscle mass may
not be able to be produced by this drug, steady lean mass gains should be. This
seems to be an attribute of most nandrolone derived compounds and is no
When oxabolone cypionate was originally manufactured the product came in
extremely low concentrations. 12.5 milligrams per millilitre was the norm, with
the compound being packaged in 2 millilitre amps. This would necessitate that
injections of the compound were rather large in volume or else more frequent so
as to spread out the volume over multiple injections per week. This would not of
course affect the results that were produced by the drug, but rather simply be
an annoyance that one would have to deal with while administering oxabolone
For most male users, doses ranging from 300 to 800 milligrams per week are not
uncommon. Of course, as the user becomes more and more experienced with anabolic
steroids (and hopefully begins carrying more and more muscle mass) these dosages
may increase over time. However like most drugs many individuals will have to
experiment themselves to find what amount of the drug they need to administer to
reap its benefits.
Due to the drug utilizing the cypionate ester, a relatively low frequency is
needed for administration of the compound. Most users would find that injections
twice per week of oxabolone cypionate should keep their levels of the compound
relatively stable. Some users may even go as low as injections once per week.
However as always keep in mind that the more frequent that one injects a drug,
the more stable the levels of that drug will be. Stable blood levels of a drug
may prevent or reduce the severity of some of the side effects associated with a
In terms of a maximum length that one could conceivably run oxabolone cypionate,
since it is relatively a non-toxic anabolic and does not exhibit any harsh side
effects that would necessitate short cycles of it, users could run the drug for
relatively long periods of time. As always however, this should be done within
reason and one should not overextend themselves in striving for their goals by
staying on one drug for too long.
Females also have found that nandrolone derived drugs can be quite effective
while offering relatively mild side effects. Doses ranging from about 40 to
150mgs per week should be adequate for most females to see dramatic gains in
muscle size and strength, again with these doses increasing as users try to
achieve more and more with the compound.
Like other nandrolone derived drugs, oxabolone cypionate exhibits rather mild
side effects for most users. As was stated earlier, estrogen related side
effects are not a concern with this drug and it may in fact help to reduce these
side effects as they related to other drugs that may be used concurrently with
As for progesterone-like side effects, there appears to be some potential for
them to occur as a result of administration of this compound but no more so then
other nandrolone derived drugs. Commonly reported sides effects associated with
such compounds are such things as acne/oily skin, insomnia, diarrhea, and
nausea. These of course are coupled with the common side effects most often
associated with anabolic steroids including testicular atrophy and gynecomastia
(including lactation in some cases). Hepatoxicity does not appear to be a
concern with even heavy use of
oxabolone cypionate (2).
Due to these potential side effects and their resulting from oxabolone cypionate
being a progestinic anabolic steroid, some special precautions need to be taken
to ensure that side effects do not get out of control. Using compounds such as
bromocriptine, cabergoline and/or vitamin b6 have all been shown and reported to
help lower prolactin levels. Depending on how sensitive an individual is to this
particular drug, they will need varying doses of one of these ancillary drugs.
However most users will experience little in the way of negative side effects
while administering oxabolone cypionate.
Interestingly it appears that unlike some other nandrolone derived compounds,
oxabolone cypionate has a very limited effect on male users� sex drive. This may
be due to its relatively more androgenic nature then that of nandrolone itself.
This would obviously be a great benefit to those users who find that their
sexual function and/or performance is quite diminished while using such drugs as
nandrolone phenylpropionate, deca-durabolin, etc. However many users still may
want to stack oxabolone cypionate with testosterone to ensure that their sexual
function and drive remains normal.
1. Llewellyn, William, Anabolics 2004, 2003-4, Molecular
Nutrition, pp. 145-6.
2. Eberhardt G, Mohr J, Oehlert W, Schmidt E, Schmidt FW, Vondrasek P.
[Controlled study of the therapeutic effect of B vitamins and an anabolic
steroid in chronic hepatitis (author's transl)] Dtsch Med Wochenschr. 1975 Oct
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