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This drug is unique (so far as I know) in that 5a -reductase, the enzyme
which converts testosterone to the more-potent DHT, actually converts
nandrolone to a less-potent compound. Therefore this AAS is somewhat
deactivated in the skin, scalp, and prostate, and these tissues experience
an effectively-lower androgen level than the rest of the body. Therefore,
for the same amount of activity as another drug at the androgen receptors
(ARs) in muscle tissue, Deca gives less activity in the scalp, skin, and
prostate. Thus, it is the best choice for those particularly concerned with
these things.
Its effectiveness at the androgen receptor of muscle tissue is superior to
that of testosterone: it binds better. Yet, it gives only about half the
muscle-building results per milligram. This I think is a result of its being
less effective or entirely ineffective in non-AR-mediated mechanisms for
muscle growth.
It also appears less effective or entirely ineffective in activity on nerve
cells, certainly on the nerve cells responsible for erectile function. Use
of Deca as the sole AAS often results in complete inability to perform
sexually.
These problems can be solved by combining with a drug that does supply the
missing activity: e.g. testosterone.
Nandrolone is proven to be a progestin. This fact is of clear importance in
bodybuilding, because while moderate Deca-only use actually lowers estrogen
levels as a consequence of reducing natural testosterone levels and thus
allowing the aromatase enzyme less substrate to work with, Deca nonetheless
can cause gyno in some individuals. Furthermore, just as progesterone will
to a point increase sex drive in women, and then often decrease it as levels
get too high, high levels of progestogenic steroids can kill sex drive in
male bodybuilders, though there is a great deal of individual variability as
to what is too much.
Incidentally, this progestogenic activity also inhibits LH production, and
contrary to common belief, even small amounts of Deca are quite inhibitory,
approximately as much so as the same amount of testosterone.
To some extent, nandrolone aromatizes to estrogen, and it does not appear
that this can be entirely blocked by use of aromatase inhibitors – indeed,
aromatase may not be involved at all in this process (there is no evidence
in humans that such occurs) with the enzyme CYP 2C11 being in my opinion the
more likely candidate for this activity. In any case, Cytadren, an aromatase
inhibitor, has not been found effective in avoiding aromatization of
nandrolone.
The drug is moderately effective at doses of 400 mg/week. The long half-life
of nandrolone decanoate makes it unsuited to short alternating cycles, but
suitable for more traditional cycles, with a built-in self-tapering effect
in the weeks following the last injection.
Trivial name Nandrolone
Systematic name Estr-4-en-3-one, 17-beta-hydroxy-
CAS registry number 434-22-0
ATC code A14AB01
Merck Index Number 6391
Chemical formula C18H26O2
Molecular weight 274.401 g/mol
100% (Intramuscular)
Metabolism Hepatic
Elimination half-life 6 days
Excretion Undocumented
Pregnancy category X
Routes of administration Intramuscular
About Author:
Naveen Kumar is the author related to <a href="http://www.terepharmacy.com" target="_blank"> Deca Durabolin|Sustanon|Dianbol|Anadrol|Anabolic Steroid </a> Terepharmacy.com No1 for Deca Durabolin, Sustanon, Dianabol, Anadrol, Steroids, Gh, Hcg, Nolvadex, Viagra, Proviron, Primobolan, Winstrol, Mens Health, Xenical, Propecia, Omnadren!<br>
which converts testosterone to the more-potent DHT, actually converts
nandrolone to a less-potent compound. Therefore this AAS is somewhat
deactivated in the skin, scalp, and prostate, and these tissues experience
an effectively-lower androgen level than the rest of the body. Therefore,
for the same amount of activity as another drug at the androgen receptors
(ARs) in muscle tissue, Deca gives less activity in the scalp, skin, and
prostate. Thus, it is the best choice for those particularly concerned with
these things.
Its effectiveness at the androgen receptor of muscle tissue is superior to
that of testosterone: it binds better. Yet, it gives only about half the
muscle-building results per milligram. This I think is a result of its being
less effective or entirely ineffective in non-AR-mediated mechanisms for
muscle growth.
It also appears less effective or entirely ineffective in activity on nerve
cells, certainly on the nerve cells responsible for erectile function. Use
of Deca as the sole AAS often results in complete inability to perform
sexually.
These problems can be solved by combining with a drug that does supply the
missing activity: e.g. testosterone.
Nandrolone is proven to be a progestin. This fact is of clear importance in
bodybuilding, because while moderate Deca-only use actually lowers estrogen
levels as a consequence of reducing natural testosterone levels and thus
allowing the aromatase enzyme less substrate to work with, Deca nonetheless
can cause gyno in some individuals. Furthermore, just as progesterone will
to a point increase sex drive in women, and then often decrease it as levels
get too high, high levels of progestogenic steroids can kill sex drive in
male bodybuilders, though there is a great deal of individual variability as
to what is too much.
Incidentally, this progestogenic activity also inhibits LH production, and
contrary to common belief, even small amounts of Deca are quite inhibitory,
approximately as much so as the same amount of testosterone.
To some extent, nandrolone aromatizes to estrogen, and it does not appear
that this can be entirely blocked by use of aromatase inhibitors – indeed,
aromatase may not be involved at all in this process (there is no evidence
in humans that such occurs) with the enzyme CYP 2C11 being in my opinion the
more likely candidate for this activity. In any case, Cytadren, an aromatase
inhibitor, has not been found effective in avoiding aromatization of
nandrolone.
The drug is moderately effective at doses of 400 mg/week. The long half-life
of nandrolone decanoate makes it unsuited to short alternating cycles, but
suitable for more traditional cycles, with a built-in self-tapering effect
in the weeks following the last injection.
Trivial name Nandrolone
Systematic name Estr-4-en-3-one, 17-beta-hydroxy-
CAS registry number 434-22-0
ATC code A14AB01
Merck Index Number 6391
Chemical formula C18H26O2
Molecular weight 274.401 g/mol
100% (Intramuscular)
Metabolism Hepatic
Elimination half-life 6 days
Excretion Undocumented
Pregnancy category X
Routes of administration Intramuscular
About Author:
Naveen Kumar is the author related to <a href="http://www.terepharmacy.com" target="_blank"> Deca Durabolin|Sustanon|Dianbol|Anadrol|Anabolic Steroid </a> Terepharmacy.com No1 for Deca Durabolin, Sustanon, Dianabol, Anadrol, Steroids, Gh, Hcg, Nolvadex, Viagra, Proviron, Primobolan, Winstrol, Mens Health, Xenical, Propecia, Omnadren!<br>
