CAS Number: 62-90-8
Molecular Formula: C27H34O3
Nandrolone phenylpropionate (NPP)
Manufacturer: Hilma Biocare
Pack: 10 ml/vial ( 100 mg/ml )
Drug class: Anabolic/Androgenic Steroids
Common names: NPP, Superanabolon, Durabolin, Durabol, Fenobolin, Nandrolone Phenpropionate
Chemical structure:17 beta-hydroxyestr-4-en-3-one hydrocinnamate
Info: Nandrolone Phenylpropionate is a 19-nortestosterone (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.
Since NPP and deca share the same active substance – nandrolone, their history is very closely linked together. Few people know that nandrolone as such was developed in 1957, and the most popular version of this steroid was actually the one with the phenylpropionate ester attached to it.
Nandrolone Phenylpropionate have two positive moments compared to Deca: 1st is shorter ester reduces the chance of side effects. 2nd is that in the event of side effects or poor tolerability cycle can be stopped and all the reactions will stop.
Nandrolone Phenylpropionate Profile
Androgenic index – 37-30
Anabolic index – 125-150
Estrogen level – Low
Progestational activity– Moderate
Toxicity for the liver – Low
Nandrolone Phenylpropionate (a.k.a. Durabolin) has good anabolic effect which leads to steady and consistent muscle growth. This is accompanied with a moderate androgenic effect thus speeding up regeneration and maintaining mass even while on the diet. Also, it is associated with much lower water retention comparing to nandrolone decanoate (deca-durabolin) which makes it more suitable for cutting (pre-competition) cycles while nandrolone decanoate suits better for mass and strength.
- Increases protein sythesis
- Improves absorption of amino acids from the small intestine
- Increases prolactin
- Increases your red blood cell count
- Increases the immune sistem
- Therapeutic benefits for the joints
- Improves bone density
- Increases Collagen Synthesis
Many people think that there is a big difference between Deca and Nandrolone Phenylpropionate, but the active substance is the same “Nandrolone”, so the only difference is the speed of the action.
Dose range and duration of use
Common cycle length is: 8-10 weeks
Professional Range: 300-600mg/weekly
Detection time: 11-12 months (some athletes has reported of maximum time for about 18months)
There are several possible side effects of Nandrolone Phenylpropionate use, but it is also one of the more side effects friendly. The key to managing and avoiding side effects is by understanding how they occur and proper use of the hormone. For most men serious side effects should be completely avoidable.
The reason of most side effects is high prolactin level.
At high doses possible water retention and high blood pressure caused by severe water retention. These side effects can be avoided by the use of an Aromatase Inhibitor (AI) such as Anastrozole (Arimidex).
Hair loss in men predisposed to male pattern baldness is possible as is acne in sensitive men.
Nandrolone reduce production level of gonadotropin and endogenous testosterone. And this is a main reason of long recovery after cycle.
After cycle therapy
To reduce level of prolactin it is highly recommended to use Cabergoline (Dostinex) or Bromocriptine.
Post Cycle Therapy is recommended and starts after 12-16 days after last injection.
Post cycle therapy with Nolvadex and Clomid is beneficial in restoring production of natural hormone levels, including testosterone levels, as quickly and efficiently as possible.
This will help stimulate the production of natural testosterone and increase the odds of a successful recovery. PCT will not complete recovery, it will still take several months post PCT, but it will give you a better start.
Nandrolone phenylpropionate cycle is recommended use with testosterone,to avoid progestogen effect and consequences of low testosterone (low libido, weak erection).
Mix/combine your steroids cycleExample of cycle:
Week 1 – 10: Testosterone propionate 500 mg/weekly
Week 1 - 8: Nandrolone phenylpropionate 350mg/weekly
Week 1 - 8: Cabergoline of 1 mg/weekly
Week 1 - 8: HCG 500iu/weekly
Week 11-12: Nolvadex 40mg/weekly+Clomid 100mg/weekly
Week 13-14: Nolvadex 20mg/weekly+Clomid 50mg/weekly
Most popular combined cycles:
You can mix Nandrolone phenylpropionate with following steroids:
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