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What To Expect From Deca Durabolin: Cycles, Side-effects, Results & Price

Tons of misleading info around Deca Durabolin and it’s no surprise that many use it to get bulked.

There is a chance some guys can use it without their balls falling out.

But here is the thing…

Deca Durabolin comes with harsh side-effects.

It is one of the leading steroids in the terrible bad-ass effects.

I’ll cover that in a minute…

However, I’m not saying don’t use Deca.

If it’s all bad, you won’t find it viral across the bodybuilding community.

I recommend you read this article till the end to see if Deca is suitable for you.

In this article I’ll cover:

  • What is Deca Durabolin
  • How Does it Work
  • How Do You Use It
  • The Adverse-effects
  • Should You Use It?
  • What Is Deca Durabolin?

What Is Deca Durabolin?

Deca Durabolin is made of ester called Decanoate and Nandrolone; it is categorized as AAS (Anabolic Androgenic Steroid).

The reason behind its development is to treat Osteoporosis in women.

Its chemical structure is very similar to testosterone except that there is a slight variation in the 19th atom.

This variation is the reason why Deca side-effects are not as harsh as testosterone.

Last 50 years, doctors were prescribing Deca for people dealing with muscle wasting diseases, osteoporosis and anemia.

Old school bodybuilders including Arnold were doing Deca & other bulking steroids on a stable basis. And it was a potent muscle building steroid.

All agreed that it gives massive strength, improve recovery and build muscles.

The good thing about Deca that made many bodybuilders get hooked on it. Is it doesn’t break down to DHT (which is responsible for hair loss and acne).

Here is a how-to-use Deca instruction manual from

One of the significant downsides of Testosterone is it’s conversion to Estrogen thus leading to man boobs. However, Deca is 7 times less likely to convert to estrogen. But do note that it shuts down 75% of your testosterone production during consumption. Thus PCT (post cycle therapy) is incredibly vital.

Your food craving with Deca will increase thus, make sure to eat the best food for bulking up and feed those muscles.

The major downside about Deca is that it can take up to 8 weeks to see actual results.

Many bodybuilders prefer to take Deca for a longer cycle to see hardcore results.

Recommendations: 20 – 26 weeks per cycle.

It’s said that it’s 50% less effective than testosterone and 70% fewer side-effects compared to testosterone.


How Does Deca Durabolin Work?

The cornerstone of protein synthesis is nitrogen retention. Deca targets massive muscle building by enhancing nitrogen retention.

The more protein synthesis in your body. The higher the chance to create more muscles and recover fast post a heavy workout.

Do note without protein synthesis your muscle won’t grow an inch.

I have to say during your use of Deca; you’ll feel your join got way smoother in movements. It’s mainly because of the high rate of collagen synthesis Deca produces.

Deca will give a boost to your IGF-1:

Insulin-Like Growth Factor 1 (IGF-1) is a hormone that is similar in structure to insulin and works with Growth Hormone to reproduce and regenerate cells.

Thus, you’ll have better skin, sleep, and muscle growth.

How To Use Deca Durabolin?

Many Gym rats recommend going for 600mg if you searched online probably this dose keeps popping up.

I don’t like the idea of starting with high dosage. Your body will get shocked by the instant dose which leads to harsh side-effects.

For a fact, most guys how advanced they are don’t need to exceed 400mg per week.

Actually going all the way 600mg can get your dick to stop working. Many call it Deka-dick.

I don’t think dealing with a Deka-dick is something anybody wants.

Side-effects can happen even if you went for a lower dose, will get to that in a minute.

How Much Should You Take?

Once you decided to try Deca Durabolin, it recommended taking 2mg/lb of lean body mass per week.

Lean body mass (LBM) is a component of body composition, calculated by subtracting body fat weight (BF) from total body weight (BW)


If you have an average body and new to bodybuilding this LBM calculator might be a good use for you.

However, this is not accurate.

Skinfold measurements have been used to estimate body fat  (BF) for over 50 years, and it’s accurate.

Start measuring 3 sites; which are the chest, abdomen and thigh, or the chest, triceps and area beneath the scapula.

Deca Durabolin Workouts

How Long To Take Deca?

The unappealing part about Deca is that it takes a while to see an actual gain.

It’s rare to see results in 4 weeks only the ones with the lucky genes get that.

However, on average it takes 8 weeks or longer to see results.

Assuming that you are going for 400mg per week maximum.

Women On Deca Durabolin (Advise To Female Users)

The main reason why Deca aka Deka is popular among female bodybuilders is that of its mild effects and initially created for women.

However, it’s highly advisable not to exceed 50mg per week for a female bodybuilder.

Stacking Deca Durabolin

I find it essential to use Estrogen blocker with Deca; this makes sure to lower the chances of dealing with Gynecomastia afterward.

It’s less likely to have it compared with Testosterone. But why give it a chance at all.

The common estrogen blocker is Arimidex at .5mg.

Deca Durabolin Post Cycle Therapy

The dangerous side of Deka is that it shuts down 70% of your body’s testosterone production.

That’s huge!

And not to be undermined in any way.

This means after finishing Deca cycle; your body needs 3-6 months to start producing testosterone naturally again.

This gab is terrible!

You will have the same T level as a girl maybe lower.

And that’s why PCT (post cycle therapy) is VITAL!

And this is how it works…

So assuming you are taking your last dose of Deka, you will need to wait 2 weeks then you will start dosing 50mg of Clomid per day for 3 weeks.

This makes sure to stimulate your natural T production back.

Side-effects of Deca Durabolin

I don’t want to scare you, but every drug in this world has a side-effect. Some are mild, & some are bad-ass.

Deca has some potential nasty side-effects that you should be aware of.

Water Retention: it gives a bloated look during the Deka intake.

Gynecomastia: There is a possibility that it can stimulate progesterone receptors which cause man boobs & fat storage in the chest area.

Deka-Dick: This is the point when you lose interest in sex, and you no longer have an erection. If you start dealing with erection problem during your Deca mild dosage. DO STOP IMMEDIATELY!

It’s not worth it!

Shuts Down T Production: 300 mg will start shutting down your natural T production by 70%.

Even if you start at 100mg it will shut down around 50% of your testosterone production.

And should not alarm you.

However, if you didn’t proceed with PCT, then definitely all your gains will be lost, and you’ll feel like a girl.

Deca Durabolin side-effects

Who Should Not Use Deca?

If you have the following issues, then don’t even consider buying or using Deka at all.

  • Liver disease.
  • Kidney disease.
  • Regular Migraines.
  • High blood pressure.
  • Any form of cancer.

Are you on medication? Here is a list of drug interaction with Deka.

Takeaways From Side-effects: If we compare Deca to other steroids. This kind of side-effects is considered very mild. However, it can do great damage if used carelessly.

Deca Durabolin Frequently Asked Questions

How much muscle will I gain? This highly varies from individual to another. Average Deka users usually see 15 – 20 lbs of muscle gain in 26 weeks cycle.

Is Deka-Dick Serious? Well, let me put it to you this way. Imagine not having sex for one year (maybe more) because you are entirely soft.

If Deka used wrongly or your body was highly reactive to small doses that gave you troubles with erections. Then definitely not worth it!

Deca Durabolin Pros and Cons


  • Smoother Joins.
  • Build up to 15 lbs (7 kgs) of muscle in 26 weeks.
  • Fuller Looking muscles.
  • Don’t cause hair loss or acne.
  • Increase Red blood cell count.
  • Not harsh on the liver compared to other steroids.


  • Must use PCT!
  • Deka-Dick.
  • Not as potent as Testosterone.
  • Shuts down 70% of testosterone production.

Should You Use Deca Durabolin?

I like to compare this to other steroids on the market.

And from this context, I’m sure that Deka has fewer side-effects compared to other roids.

However, the downside is looking bloated and Deka-Dick.

Honestly, I would risk my erections for muscular gain.

I would definitely look for something that doesn’t involve my dick.

Recommending Deca to you would be me telling you to don’t give a F**k about sex.

Want to hear some good news?

Well, luckily for you a handful of supplement companies have been able to formulate legal Deca alternatives that mimic the results of Deca but WITHOUT all side effects!

The thing about those companies is that;

  • It’s an oral supplement: means not effective as injection.
  • It only mimics similar results but not same ingredient as Deca.
  • It might take a little longer to see results.

… I’m sure not many would like that.

But honestly, Gain it safe and don’t gain it with a soft dick.

That’s all for now.

About the author

Adam is a writer, healthcare professional, and he is always active in sharing recent case studies and breaking the mental and physical limits. He dedicated his life to transforming the lives of the skinny, out of shape, scrawny wimpy guys & skinny girls - helping them become healthier, fitter and more confident in their bodies.

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