Deca 300

Deca 300

Brand: Dragon Pharma
Availability: In Stock
Package: 10ml vial (300mg/ml)
Substance: Nandrolone decanoate (Deca)

This anabolic steroid by Dragon Pharma is one of the most well-known injectable steroids for sale in the UK for bulking cycles. The main active ingredient is Nandrolone Decanoate, which you’ll probably have heard being referred to as “Deca Durabolin” or simply “Deca”. It is a testosterone derivative, or more specifically, a 19-Nortestosterone derivative. Deca, however, has a stronger anabolic effect than testosterone and its androgenic effect is much less.


Since Deca has very little oestrogenic activity, its extremely unlikely to aromatise, which is appreciated for bodybuilders who are prone oestrogenic side effects.

The main positive effects of Deca Durabolin are:

  • Quick increase in bulky muscle mass
  • Fast increase in strength
  • Stimulated collagen production (strengthened bones & tendons)
  • Accelerated recovery times after workouts
  • Increased libido
  • Improved joint lubrication (protection from injury)
  • Strengthened immune system
  • Increased red blood cell count (more energy and endurance)

Deca Durabolin is generally taken during bulking cycles since it tends to build too much water weight to be used for cutting cycles. However, compared to other “wet” steroids, there is minimal loss of gains after the Deca cycle is complete.


Deca Durabolin is an injectable steroid to be taken via intramuscular injections. Due to its fairly long half-life of between 6-12 days, injections are only required once or twice a week.

The overall weekly dosage recommended for men is 300-600mg (1-2ml). For women, the Deca dosage is advised to stay below 50mg per week.

A Nandrolone Decanoate cycle length will typically need to be between 10 and 14 weeks to receive the full benefits of the steroid.

It is advised to run testosterone (enanthate) as a base to any Deca cycle. Test E can be injected on the same day and for the same cycle duration as Deca. A popular bulking cycle among experienced steroid users will also include Dianabol as a kick-starter to the cycle (during the first 4 weeks).

Post-cycle therapy (PCT) after a Deca Durabolin cycle can be started 3 weeks from the final Deca injection. For PCT, it is strongly advised to use Clomid for oestrogen levels and Cabergoline for progestin levels. Don’t use Tamoxifen (Nolvadex) since it will be ineffective.


Like with all steroids, there is a chance of experiencing side effects from the use of Deca. These will vary person to person but the most commonly reported include acne, high blood pressure, headache, and oedema.


If you go to any online forum and read reviews about Deca, you will soon discover that this steroid is loved by most steroid users. Bodybuilders especially appreciate the steroid for its effectiveness in muscle-building cycles and its compatibility with testosterone. It is also great for intermediate steroid users who are just starting to experiment with other steroids to stack with their testosterone base.

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