Nandrolone Phenylpropionate, known as NPP for short, is a form of Nandrolone with the phenylpropionate ester attached. Another well-known form of this steroid compound is Nandrolone Decanoate, also known as Deca-Durabolin. While NPP also used to be called Durabolin in the past, these days that name is avoided to prevent confusion between the two forms.
The Nandrolone hormone compound is the same in both forms, it is simply the ester which gives each a slightly different property in the body; especially when it comes to half-life and how fast it works, and how long it stays active in the bloodstream. This in turn dictates how often you?ll need to take your dosages.
NPP has a shorter half-life and so requires more frequent injections to keep your levels stable compared with Nandrolone Decanoate.
Nandrolone phenylpropionate in doses sufficient to promote muscle growth does suppress endogenous testosterone production. One 100mg nandrolone phenylpropionate injection shows a rapid suppression of serum testosterone levels. After about 2 to 3 days after the injection the serum testosterone levels will decrease by approximately 30% of the initial level. Testosterone levels will increase to a normal level after about 2 to 6 months.
Another advantage of Deca NPP is its potential to provide joint pain relief and improve joint health. It has been reported to possess anti-inflammatory properties, which can alleviate joint discomfort commonly experienced by bodybuilders due to intense training and heavy loads. This steroid also enhances collagen synthesis, a protein crucial for maintaining healthy joints, tendons, and ligaments. This can lead to improved joint flexibility, reduced pain, and better overall joint integrity, supporting long-term training and minimizing the risk of injury.
Pairing NPP use with a well-designed training program can optimize results. Focus on compound exercises that target multiple muscle groups, incorporate progressive overload to continually challenge your muscles, and allow for adequate recovery between workouts. A structured program tailored to your goals and fitness level will help maximize the muscle-building and strength-enhancing effects of NPP.
Doses for men vary between 200mg and 400mg over an 8-to-12-week period. The weekly dose is usually split into two doses per week due to the short acting nature of the phenylpropionate ester. Recommended dose for woman is 50mg per week (single dose once a week injection) for no longer than 4 to 6 weeks.