Nandrolone (chemical name – 19-nortestosterone) – an anabolic steroid can be formed in the human body after heavy or prolonged physical effort or during pregnancy, the concentration of its main metabolite 19-norandrosterone in urine , but in very low concentrations.
Structurally, nandrolone differs from testosterone in the absence of a carbon atom in the 19th position (hence the name 19-nortestosterone) and this makes it more similar to progestins. Due to its progestin origin, nandrolone exhibits significantly less androgenic effect compared to testosterone, however, stabilization of progesterone receptors causes an unique side effects.
Another difference is that unlike testosterone, that converts by the enzyme 5-alpha reductase into a powerful androgen – dihydrotestosterone, which is responsible for the development of most of the side effects. On the contrary, Nandrolone, is converted by 5-alpha reductase into an extremely weak androgen – dihydronandrolone.
EFFECTS:
Pronounced muscle growth (in one course, you can gain up to 8 kg of muscle mass with a minimum rollback phenomenon).
Strengthening bones (using to treat osteoporosis) and ligaments, improves skin regeneration , stimulates overall collagen synthesis.
Elimination of joint pain by increasing the production of synovial fluid (joint lubrication).
Increase in red blood cell mass, which causes improved oxygen transport. As a result – better cellar breathing and increased endurance.
Boosting immune system (recommended for patients with AIDS).
Conversion to estradiol without aromatase enzyme.
Improving intestinal absorption of amino acids and other nutrients.
A good choice for male athletes with prostate problems.
Nandrolone has a relatively low likelihood of side effects. As a result of low androgenic activity, side effects such as acne, baldness, body hair growth are practically not encountered. Nevertheless, they are possible, as with the use of any steroid, but in the case of nandrolone, this happens only when the recommended doses are exceeded several times.
Nandrolone has a 6 times less level of conversion to estrogens than testosterone (this happens without aromatase). The highest conversion rate is observed in the liver, while the main site of conversion (adipose tissue) remains inaccessible to this process. As a result, Nandrolone has no estrogen-related side effects (gynecomastia, fluid accumulation in the body). The estrogenic activity of the drug appears only at very high doses.
That’s explain, why Nandrolone is one of the most popular anabolic steroids to gain muscle mass. In addition, it should be added that nandrolone practically does not cause a rollback phenomenon.
SIDE EFFECTS:
Nandrolone has been associated with the following side effects:
It was noticed that nandrolone is able to bind to progestin receptors (approximately 20% of the introduced substance), this is due to the removed carbon atom in position 19. All 19-nor anabolic steroids exhibit progestin activity.
By binding to the progestin receptors of the pituitary gland, nandrolone causes an increase in prolactin production and suppresses the secretion of gonadotropic hormones. Prolactin act similar to estrogens in a brain, its effect is manifested by a decrease in the production of its own testosterone. In a body it causes a slight increase in fat and, in rare cases, gynecomastia.
In addition, during the rise in blood pressure, abdominal pain, irritability, headaches, depression possible.
Rare: Headache, Back pain, gynecomastia.
DOSAGE:
For elimination of joint pain and bone strengthening in senior patients use 50-150 mg per week during 5-10 weeks.
To increase muscle mass use 200-800 mg a week. Average dosage is 400 mg of nandrolone per week , combined with 500 mg of testosterone.
ESTER PROFILE:
Half-life: 2-4 days.
Duration of action: 10-15 days.
Frequency of intake: 2 times a week.
Hepatotoxic rate: low.
Detection time: More than 8 month*
*- approximate drug concentrations at various dosages.
Phenylpropionate is a medium acting ester. Usual frequency of intake is 2 times a week, peak is going down fast, but remnants leave the bloodstream slowly.
There is a rumors that nandrolone phenylpropionate can be used during the cutting cycle, but as this is a same drug, and ester has an insignificant effect on the properties of the nandrolone molecule, therefore, the use of nandrolone phenylpropionate is limited only to mass-gaining ,bulk and recovery cycles only.
HOW TO STORE:
Do not use after the expiry date.
Store at 20º to 25ºC (68º to 77ºF)
Do not freeze.
Protect from light.
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