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  • Durapex 100 (NPP), SIXPEX

In Stock

  • Substance: Nandrolone Phenylpropionate
  • Active Dosage: 100mg/ml
  • Form: 10ml vial
  • Category: Injectable
  • Classification: Anabolic Steroid
  • Half Life: 2-3 days
  • Dosage: men 200-700 mg/day
  • Acne: Rarely
  • Water Retention: Low
  • HBR: No
  • Aromatization: Low
  • Hepatoxity: Low
  • Alternative names: NPP, nandro-p

Nandrolone Phenylpropionate is a type of steroid similar to the popular Nandrolone Decanoate. But Nandrolone Phenylpropionate was the first Nandrolone compound sold in stores. Nandrolone Phenylpropionate was first sold by Organon under the name Durabolin in the 1950's. Organon released its Decanoate cousin called Deca Durabolin soon after.

Nandrolone is a small steroid called NPP. In the modern era, this product has started to see a revival in both use and availability.

Nandrolone Phenylpropionate has a lot of benefits. The Nandrolone hormone is the most commonly prescribed anabolic steroid. It is one of the most well tolerated steroids in both performance and medical settings, although side effects do exist.


Nandrolone Phenylpropionate is a 19-nor testosterone anabolic androgenic steroid. The 19-nor classification means that the carbon atom in the testosterone hormone has been taken out at the 19th position. This simple change makes Nandrolone. Then we add a short Phenylpropionate ester to make Nandrolone Phenylpropionate.

Nandrolone Phenylpropionate is the same as Nandrolone Decanoate because of how it works. Both forms of the hormone have the same active hormone. We have a shorter version of NPP that gives more Nandrolone when you inject it, but it lasts much less time. Nandrolone Phenylpropionate needs to be injected more often than its bigger ester counterpart to keep blood levels stable.

Nandrolone Phenylpropionate is slightly more anabolic than testosterone with a rating of 125 compared to 100 for testosterone. It is also significantly less androgenic than testosterone, which has a rating of 100. The hormone Nandrolone changes to dihydronandrolone (DHN) instead of dihydrotestosterone (DHT) which makes it less androgenic. Nandrolone Phenylpropionate can be well tolerated at higher doses in some men than testosterone at higher doses.

Nandrolone phenylpropionate is less estrogenic than testosterone. Nandrolone and testosterone both aromatize, but Nandrolone only does it at about 20% the rate of testosterone.

Important Note: Nandrolone Phenylpropionate is a progestin, so this hormone will have side effects.

Nandrolone Phenylpropionate is similar to many anabolic steroids. But this compound also has many more functions than some steroidal hormones. Nandrolone Phenylpropionate has the positive functional traits of:

    Insulin-Like Growth Factor-1 (IGF-1) is a powerful hormone that is also important for our bodies ability to recover. This is a hormone that affects many parts of our body.
    Cortisol and other stress hormones are important for our health and well-being. But glucocorticoids can also make muscle lose and fat gain when they become too strong. Being active can make your stress hormones go up. Nandrolone can reduce stress hormones.
    Nitrogen retention: All muscle tissue is made up of 16% nitrogen. If retention falls, we go to a catabolic state. The more we keep, the stronger we become.
    This means how fast cells make proteins, which make up muscle tissue.
    Increased Red Blood Cell Number: Red blood cells carry oxygen to and through the blood. Being more efficient helps muscles last longer and recover faster.
    Collagen and bone minerals make bones stronger and help heal. This will be true in joints more than anywhere else.

It’s often said that Nandrolone helps relieve pain by forcing water into the joints. This cannot be done in real life. It is the increase in collagen synthesis and bone mineral content that provides relief.

Nandrolone Phenylpropionate can be used for many medical purposes. Although most people use Nandrolone Decanoate, some people still use the Phenylpropionate version. Nandrolone Phenylpropionate has been shown to help treat the following conditions:

    Cancer, HIV, etc.
    Helping older people who are weak or tired.
    Blood Anemia
    Breast Cancer
    How Burn Victims are treated.
    Ulcers Ulcers.
    The Pituitary Dwarf.
    Development Retardation in Children: A Case Study in Children
    Osteoporosis is a condition that affects the bones.

Nandrolone is used in the U.S. only for HIV, AIDS, and anemia. Some U.S. doctors have started to use it for anti-aging purposes, but this still only makes up a small part of the total prescriptions.


By understanding the functions and traits of Nandrolone Phenylpropionate, we already know that this steroid has positive effects. But we can put it in terms that a performance athlete can understand.

Nandrolone Phenylpropionate is one of the best steroids for the off-season athlete who wants to build muscle and size. This is one of the best mass builders available and is used by many bodybuilders in every bulking plan. Even though Nandrolone is a faster-acting form, growth will not happen quickly, but it will be steady, even, and significant. This assumes you're eating enough to grow. To get bigger, you have to eat more calories than you burn. There is no steroid that can change this fact. But you will get more out of Nandrolone Phenylpropionate if you are doing things right. You should also notice that you stay leaner in your off-season because of the significant metabolic effects of the hormone. Nandrolone Phenylpropionate is the best way to recover from strenuous training.

Nandrolone Phenylpropionate can also be used as a cutting steroid. This steroid will help you build lean muscle mass. When we eat, we need to burn more calories than we eat. Only this way can you lose weight. This puts lean muscle tissue in danger. Nandrolone can help prevent the loss of lean tissue when we diet. The recovery benefits will be huge, especially when dieting is already hard because of the caloric deficit.

The athlete is the final benefit of performance. Many athletes use low doses of Nandrolone Phenylpropionate for recovery and joint relief. These are not just painkillers, but real relief. Some people may also find that this steroid increases strength to some degree. This is one of the most common steroids athletes use.

Side Effects

What happens when you take Nandrolone Phenylpropionate?

Nandrolone Phenylpropionate can cause a number of side effects, but it is also one of the least harmful. The key to managing and avoiding side effects is understanding how they happen and how to use the hormone properly. Most men can avoid serious side effects completely. We've broken down the side effects of Nandrolone Phenylpropionate into their individual categories.

Estrogenic sides:

Nandrolone Phenylpropionate can cause erections. Nandrolone Phenylpropionate can cause gynaecomastia, water retention, and high blood pressure. Anastrozole (Arimidex) is an AI that can prevent these side effects.

The reason estrogenic side effects happen is because Nandrolone hormone aromatizes. Aromatization means changing testosterone into estrogen. But this hormone doesn't aromatize very quickly, but it does enough to cause problems in some men. Progesterone is a hormone that can cause gynecomastia in men who are very sensitive. AIs can protect against estrogen or progesterone.

Androgenic sides:

Nandrolone Phenylpropionate may have androgenic side effects, but they aren't very likely in men. Hair loss in men who are predisposed to male pattern baldness is possible, as is acne in men who are sensitive. But this is one of the most well tolerated steroids of all when it comes to such effects. Genetics will play a big part.

A 5-alpha reductase inhibitor won't make Nandrolone more androgenic, it will make it more androgenic. You should avoid using it.

Nandrolone hormone can cause virilization symptoms in women. Virilization can cause body hair to grow, vocal chords to deepen, and clitoral swelling. Some women can use low doses without issue, but if symptoms occur, use should be stopped immediately. If stopped at the onset of symptoms, they will go away. If you ignore the signs and keep using, it might be impossible to stop.

Cardiovascular sides:

Nandrolone can hurt HDL cholesterol (good cholesterol) more than testosterone. Using an AI can make this problem even worse.

You can use Nandrolone Phenylpropionate without getting cholesterol or having a heart attack, but a healthy lifestyle is important. Regular cardiovascular exercise is important as is a cholesterol-friendly lifestyle.

Testosterone related sides:

Using Nandrolone Phenylpropionate will make your body produce less testosterone. Like all Nandrolone compounds, one injection can make your body produce less testosterone than it normally does. Your genes cannot prevent this, and it will happen when you use something. Because of this, it's important for men who use this drug to also use testosterone from outside sources. This will prevent the person from getting a low testosterone condition, which comes with a lot of bad symptoms.

Once Nandrolone Phenylpropionate has been taken off the body, natural testosterone production will start again. But it won't happen overnight and it will take time. PCT is recommended after a cycle. This will help produce natural testosterone and increase the chances of a successful recovery. It will take some time for you to fully recover after the PCT, but it will give you a better start.

Important Note: Natural recovery assumes that no damage was done to the Hypothalamic-Pituitary-Testicular-Axis (HPTA) during use and that no previous low testosterone condition existed.


In a medical setting, standard doses of male Nandrolone Phenylpropionate will usually be between 50-100mg per week. For female use, although not often prescribed, it will usually be 50mg per week. In most medical settings, the Decanoate version is what is prescribed.

Dosages for athletes and bodybuilders can be very different. 100mg per week will provide a significant therapeutic advantage with 200mg per week being more common as this will improve recovery. Most athletes use 300-400mg per week. This is a good amount for building or keeping muscle tissue. Some people will use more, but this could cause problems.

To get the best results, you should give three injections every week or every other day. Most athletes use their muscles for 8-12 weeks. Female athletes can use the steroid for 4-6 weeks, but only at a dose of 50mg per week to avoid virilization.

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Durapex 100 (NPP), SIXPEX

  • Brand: SIXPEX
  • Product Code: SX10
  • Availability: In Stock
  • $59.00

  • Ex Tax: $59.00

  • 2 or more $57.00
  • 5 or more $53.00
  • 10 or more $49.00

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Tags: NPP, nandro-p, Nandrolone, 100, Phenylpropionate, phenyl, sixpex, anabolics, durapex