Nandrolone Phenylpropionate is an anabolic steroid that is very similar to the popular Nandrolone Decanoate compound. However, Nandrolone Phenylpropionate was the first Nandrolone compound ever commercially sold. Nandrolone Phenylpropionate hit the shelves in the 1950’s and was brought to the market by Organon under the name Durabolin. Soon after Organon would release its Decanoate cousin under the name Deca Durabolin.
Nandrolone Phenylpropionate is a small ester base anabolic steroid and is commonly referred to as NPP. This product has never been as popular as the larger ester Decanoate version, in part due to availability; however, in the modern era it has begun to see a resurgence in both use and availability thanks in part due to underground labs.
Nandrolone Phenylpropionate carries with it numerous therapeutic and performance benefits. The Nandrolone hormone is the most prescribed anabolic steroid other than testosterone, but the Decanoate version is the most commonly prescribed Nandrolone form. It is one of the most well tolerated steroids in both performance and medical settings, although possible side effects most certainly exist.
Nandrolone Phenylpropionate Functions & Traits
Nandrolone Phenylpropionate is a 19-nor-testosterone (19-nor) anabolic androgenic steroid. The 19-nor classification refers to a structural change of the testosterone hormone in that the carbon atom has been removed at the 19th position. This simple structural change gives us Nandrolone, and by adding the short Phenylpropionate ester we have Nandrolone Phenylpropionate.
On the basis of the hormone’s function, Nandrolone Phenylpropionate is identical to Nandrolone Decanoate. Both forms are comprised of the same active hormone. In the case of NPP we have a shorter ester version that gives a larger burst of Nandrolone after injection, but also carries a much shorter half-life. This means Nandrolone Phenylpropionate has to be injected more frequently than its larger ester counterpart if blood levels are to remain stable.
Nandrolone Phenylpropionate is slightly more anabolic than testosterone with a rating of 125 compared to testosterone’s rating of 100. It is also significantly less androgenic with a rating of 37 compared to testosterone’s rating of 100. The reduced androgenicity is due to the Nandrolone hormone reducing to dihydronandrolone (DHN) instead of dihydrotestosterone (DHT). This is one of the reasons Nandrolone Phenylpropionate can be well tolerated at higher doses in some men than higher doses of testosterone.
Nandrolone Phenylpropionate is also significantly less estrogenic than testosterone. Both Nandrolone and testosterone aromatize, but Nandrolone only does so at approximately 20% the rate of testosterone.
Important Note: Nandrolone Phenylpropionate carries a progestin nature, and this will play into the side effects of this hormone.
Nandrolone Phenylpropionate carries many positive traits that are similar to many anabolic steroids. However, this compound also carries functional traits that will far outweigh what some steroidal hormones can do. The positive functional traits of Nandrolone Phenylpropionate include:
Increased IGF-1 Production: Insulin-Like Growth Factor-1 (IGF-1) is a potent anabolic hormone that is also essential to our body’s ability to recovery. This is a hormone that affects nearly all cells within the human body.
Inhibition of Glucocorticoids: Known as stress hormones (cortisol) these hormones are essential to our health and wellbeing. However, glucocorticoids can also promote muscle loss and fat gain when they become dominant. Vigorous activity can lead to increases in stress hormones. Hormones like Nandrolone can reduce the production of stress hormones.
Increased Nitrogen Retention: All muscle tissue is comprised of 16% nitrogen. If retention falls we fall into a catabolic state. The more we retain the more anabolic we remain.
Increased Protein Synthesis: This refers to the rate in which cells build proteins, the building blocks of muscle tissue.
Increased Red Blood Cell Count: Red blood cells carry oxygen to and through the blood. Greater efficiency results in enhanced muscular endurance and recovery.
Increased Collagen Synthesis & Bone Mineral Content: This refers to the strength of bones and cartilage and the ability to strengthen and provide healing relief. This will hold true in joints more so than anywhere else.
Important Note: It’s often said Nandrolone forces water into the joints, thereby providing relief. This is not physically possible. It is not water, it is the enhancement of collagen synthesis and bone mineral content that provides relief.
Important Note: It’s often said Nandrolone forces water into the joints, thereby providing relief. This is not physically possible. It is not water, it is the enhancement of collagen synthesis and bone mineral content that provides relief.
Important Note: It’s often said Nandrolone forces water into the joints, thereby providing relief. This is not physically possible. It is not water, it is the enhancement of collagen synthesis and bone mineral content that provides relief.
When trying to determine whether you should include Deca or NPP in your next cycle, there are 4 primary factors you will need to evaluate when making your decision. They are money, water retention, sexual dysfunction, and injection frequency. Deca is no doubt the more cost-effective option, as a 2.5 gram vial of Deca will typically cost about as much as a 1 gram vial of NPP. Deca also has the advantage of a less frequent injection frequency. However, NPP does not cause nearly as much water retention, nor is it as prone to cause sexual dysfunction at equivalent dosages. Aside from these differentiating characteristics, they are very similar in nature.
