Deca Durabolin


Deca Durabolin is one of the most popular injectable anabolic steroids available. The legal Deca steroid is used to treat osteoporosis and loss of bone density. What is Deca? Deca Durabolin (Nandrolone) has phenomenal anabolic and androgenic properties which makes it a favorite steroid among bodybuilders. The reason for nandrolone’s popularity is its effectiveness and efficacy in building strength and muscle.

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Frequently Asked Questions about Deca

You must have a doctor’s prescription to buy nandrolone in the U.S. Deca-Durabolin (Nandrolone) was regulated under the Anabolic Steroid Control Act of 2004. As a controlled substance its use is only legal with a valid prescription. More information on this legislation is available at the US Department of Justice.

Nearly every major sporting organization has banned the use of all nandrolone esters.

Deca Durabolin (both esters) is not available for oral consumption, it is only injectable.


Nandrolone is available in two separate ester preparations that create different effects.

  • The most common ester is its decanoate form, which is sold under the names Deca-Durabolin, Eubolin, and Retabolil.
  • In its phenylpropionate ester state, Deca steroid is sold under brands including Durabolin and Fenobolin. In the more common form, many black market or illicit sellers use names like Deka, Deca, D-ka to describe this steroid.


The first published record of Nandrolone decanoate was 1960 (phenylpropionate ester in1957). As the brand name Deca-Durabolin, it quickly became one of the most widely used Androgenic Anabolic Steroids (AAS) in the world¹


In addition to its androgenic anabolic effects, Nandrolone promotes greatly increased collagen synthesis and bone mineral content. These additional effects assist connective and joint tissues for lifters to have a greater tolerance for heavier weights.

What is Deca Durabolin Use?

Nandrolone is commonly used to treat a variety of conditions and is available with a prescription in the U.S. When injected, Deca Durabolin steroid has combined anabolic and androgenic properties, which result in increasing bone mass, red blood cell production, and increasing muscle mass.

Legal Deca has been FDA approved since 1983 and is used for a wide range of treatments, including contraceptive properties to cancer treatments.

Athletes and bodybuilders use Deca steroid for all the same reasons that make it such an effective treatment for wasting diseases. Most bodybuilders use Deca steroid to avoid side effects that are common in other androgenic steroids.

Deca Side Effects

Many Deca side effects are relatively mild because nandrolone does not have as severe hepatic or estrogenic impact, unlike many steroids. Even though Deca side effects are considered mild, there are some risks.

Erectile Dysfunction Nandrolone can cause erectile problems including prolonged painful erections.
Cardiac Damage High blood pressure is a potentially life-threatening Deca side effect that can lead to permanent heart damage.
Gynecomastia and Breast Tenderness In larger (non-medicinal) doses, Deca side effects can cause man boobs. In both men and women, painful breast tissue is common.
Bladder Contractions Shrinking bladders are common, resulting in frequent urination
Masculinization A common side effect in women that that take Nandrolone

Deca Steroids and Stacks

Deca steroids are very suppressive, which means that Deca side effects can be quite severe if not stacked with a testosterone injection. This will decrease the likelihood of testicular atrophy and help increase muscle gains.

Where to Buy Deca Steroid

While Deca is relatively safe in a clinical environment, it is illegal to use the drug in most countries. This means that even with mild Deca side effects, you are still breaking the law to use Deca steroids.

Deca is only available in the U.S. with a prescription. Without a prescription Deca steroids are illegal. As with most steroids, there are international websites illegally selling Deca Durabolin and shipping to the U.S. illegally.

Where Can I Get Legal Anadrol Steroids?

Here at Crazymass, we have spent years perfecting our D-KA Elite Series supplement, which is a legal steroid alternative to Deca Durabolin. D-KA is formulated to mimic the effects of Decal without the harsh Deca side effects.

D-KA is only available as part of our stacks. D-KA is produced in FDA and cGMP certified facilities, in the U.S., ensuring purity and quality. Alternatives to Deca Durabolin are found below.