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Side Effects of Equipoise

Equipoise (Boldenone Undecylenate) is an anabolic steroid with a very favorable side effects profile. This particular anabolic steroid has an overall advantageous profile and that’s why it’s such a popular steroid on the market. Despite having some estrogenic activity and androgenic activity which can lead to side effects, it actually has very low estrogenic activity and very low androgenic activity too. At the same time, it has the exact same anabolic strength as Testosterone does, making it highly effective with fewer side effects.

All of this makes Equipoise (boldenone) very attractive among many bodybuilders and athletes. A steroid like Equipoise with interesting dynamics of side effects versus benefits can be highly effective without nasty side effects.

It’s very interesting especially because most other steroids that were modified to provide a decreased androgenic and estrogenic activity, they also decrease the anabolic strength too. Some prime examples are Masteron (drostanolone) and Primobolan (methenolone). But not with Equipoise (boldenone). This steroid has the exact same anabolic strength as Testosterone but less androgenic and less estrogenic activity.

Explaining The Side Effects

Therefore, among various Equipoise side effects that we can mention, the estrogenic and androgenic ones are still a risk. Nonetheless, the risks are reduced.

Generally, side effects of Equipoise are pretty much the same as with Testosterone with little to no differences at all. The good news is that equipoise seems to be even safer than testosterone considering less androgenic and estrogenic activity. 

Also, as with any other anabolic steroid, the side effects of Equipoise greatly depend on the dosage and cycle length. But it comes down to personal tolerance and numerous other factors as well. You should learn what solutions you can take for minimizing or avoiding those issues.



Estrogenic Side Effects of Equipoise

Equipoise (Boldenone Undecylenate) does have some activity level with the aromatase enzyme – the enzyme that is converting androgens into estrogen. However, the activity level is very low, meaning that Equipoise is going to aromatize into estrogen, but not as much as testosterone. According to studies, it seems like Equipoise aromatizes into estrogen at about half of the rate of aromatization into estrogen that Testosterone does.

As a result, we can conclude that the frequency and/or the severity of the possible estrogenic side effects of Equipoise alone are about half compared to Testosterone. However, they should be higher compared to Nandrolone. That’s because Nandrolone aromatizes even less than Boldenone.

As a result, we can say that the Equipoise side effects are not really causing any significant estrogen-related issues unless you’re using high dosages and/or you’re having a natural high aromatization liability. But again, EQ on its own is not promoting significant amounts of aromatization. Thus, normal (moderate) doses of Equipoise do not usually exhibit any strong estrogenic effects (but remember that it comes down on user sensitivity too).

However, the higher the dosage, the higher the aromatization. Therefore, higher estrogenic side effects chance too. For example, Equipoise doesn’t cause estrogenic issues in doses within 200-400 mg/week for most people. But chances are significantly higher of them occurring in higher doses.

Examples of Estrogenic Issues

Some examples of estrogenic side effects are the following: water retention, high blood pressure (usually, as a result of water retention), gynecomastia, bloating, erectile dysfunction, and others.

In case you’re noticing some estrogenic side effects (from Equipoise or whatever other steroids), it’s important to use an aromatase inhibitor (AI) such as Arimidex (anastrozole) or Aromasin (exemestane). AIs are lowering estrogen levels, thus lowering estrogenic side effects. At the same time, make sure you don’t crush too much estrogen either!

  • PS: In some people, EQ is not increasing estrogen but actually inhibiting estrogen. That’s due to its structure. If it inhibits your estrogen too much, try increasing the Test dosage or decreasing the EQ dosage. Obviously, stay away from AIs.


Androgenic Side Effects of Equipoise

Pretty much as with estrogenic side effects of Equipoise, this steroid is having a lower androgenic activity in the body. That’s great for those users who are genetically prone to such issues. Generally, most androgenic side effects are related to the genetic makeup of the user, but it obviously comes down to the dosage, cycle length, and – androgenic strength rating of the steroid.

Luckily, as said, Equipoise is exhibiting a lower androgenic strength rating in comparison to Testosterone (about in half). This means that the androgenic side effects intensity and/or frequency should be in half in comparison to Testosterone. 


It’s important to understand though that Equipoise still exhibits some androgenic side effects. Although to a lesser degree than testosterone, they are possible. As a matter of fact, absolutely all anabolic and androgenic steroids are capable of causing androgenic side effects. But some are causing them more than others, depending on the androgenic strength.

So, androgenic side effects are still a concern with this AAS and especially in those individuals who are sensitive to androgenic side effects and/or those who use higher doses. Equipoise (Boldenone) is interacting with 5 alpha reductase enzymes converting testosterone into stronger androgens like dihydrotestosterone (DHT). In fact, boldenone seems to convert into an even stronger androgen – dihydroboldenone. Although it converts into this androgen at a much lower rate than testosterone converts into DHT, it just means that uses of 5 alpha reductase blockers like Finasteride would be useless.

Avoiding Androgenic Issues

You can avoid the androgenic side effects only through the proper use of this compound in terms of dosage and cycle length. If you’re developing side effects, it’s almost impossible to control them with anything else other than just reducing the dosage or stopping the use.

Some people are still fighting off specific side effects with specific measures. For example, androgenic side effects include the following; increased sebum secretion (oily skin), increased acne (because of increased sebum secretion), hair growth on the face and/or body as well as increased risk of triggering or speeding up Male Pattern Baldness (MPB) or hair loss in those users who are having this genetic trait.

Men are sometimes using Minoxidil for hair loss and anti-acne solutions for acne. But if they don’t help – reduce Equipoise dosage. For whatever reason, Equipoise (boldenone) seems to cause acne at a higher rate than other steroids. It could be due to the fact that it converts into dihydroboldenone. If you’re having acne issues, EQ can make it worse.

By the way, because of androgenic activity, virilization effects in female users can occur. Some examples of virilization side effects include the development of male secondary sex characteristics, clitoral enlargement, menstrual irregularities, and others. Generally, there are better options for women than Equipoise.

HPTA and Endogenous Testosterone Production Side Effects

Exactly as with androgenic side effects, there are no anabolic steroids that will not cause the already well known and well documented side effect of causing natural testosterone suppression and/or complete shutdown. Therefore, among Equipoise side effects we should mention the inhibition of endogenous testosterone production that’s no exception to this rule. Again, there’s no anabolic steroid in existence with the exception of this rule.

There’s a possible permanent shut down of the endocrine systems that can result from using excessively long cycle lengths (and/or excessively high dosages). That’s another reason why it’s important to follow proper cycle lengths and dosages. Moreover, it’s important to follow a proper Post Cycle Therapy (PCT) plan following the end of any steroid cycle. That’s always necessary unless you’re in Testosterone Replacement Therapy (TRT) or planning one after the cycle in order to maintain normal testosterone levels. A TRT is a commitment to testosterone injections, usually, for life.

A PCT program involves Testosterone stimulating ancillary products such as Nolvadex (tamoxifen) and/or Clomid (clomiphene) and/or HCG (human chorionic gonadotropin). By using them, you’re going to help heal and recover the HPTA and natural testosterone production quickly. While the body has the ability to naturally recover on its own without a PCT, it takes months or even years. During this time, you’re likely to experience low Testosterone symptoms that are leading to everything against what you’ve been searching for during the cycle (feeling low, loss of muscles and strength, gaining fat, and others).

Moreover, without a PCT plan, chances are higher of permanently damaging the HPTA and requiring medical treatment in the form of TRT. Again, usually, for life.


Cardiovascular Side Effects

Except for the well known fact that absolutely all anabolic steroids are causing natural testosterone suppression, all of them are also causing negative impacts on cholesterol levels and all of them are leading to some cardiovascular strain. Again, Equipoise is not an exception. Therefore, among its side effects, the negative impact on your cholesterol values and overall cardiovascular health is possible too.

Usually, it involves the reduction of HDL (good cholesterol) values and the increase of LDL (bad cholesterol) values. Without monitoring it, such issues could lead to an increase in the risk of arteriosclerosis as well as hypertension (high blood pressure) and heart disease. The degree to which the negative impact can occur depends on the dosage, cycle length, and user tolerance (and lifestyle). But obviously, with higher dosages and/or longer cycle lengths you’re increasing the negative changes and the risks.

It’s important to follow a cholesterol friendly diet, follow a cardiovascular friendly exercise plan as well as avoid anything else that can stress your cardiovascular health even more (such as smoking, etc.). Adding some supplements can help too. If you’re already suffering from some cholesterol/cardiovascular issues, the addition of steroids including Equipoise is likely to make them worse.

Hepatotoxic Side Effects

Equipoise (boldenone) is not an oral anabolic steroid. It doesn’t possess the C17 AA chemical modification and it doesn’t go through the liver. Therefore, the use of Equipoise is not going to cause any liver issues. But if you stack EQ with C17 AA steroids, liver issues can still occur!


Ultima-EQ-500As much as you could notice, the side effects of Equipoise are similar to those of Testosterone. The good news is that they are likely to have reduced frequency and/or intensity. It’s also imperative for you to take all the proper measures to avoid Equipoise side effects during the cycle. Such as a good and healthy diet with a proper exercise plan. Avoid alcohol, smoking, or other detrimental habits. Add supplements, and prepare a PCT plan following the cycle and AIs during the cycle. Make sure you’re using the compound correctly too as dosage and cycle length play an important role in the side effects of Equipoise. Exactly as your weight, height, age, gender and personal tolerance/response to this drug do.

One last note – in order to avoid the side effects of Equipoise, make sure you buy the best quality boldenone. Lower quality products and/or those mixed with other substances are less effective and are increasing risks of more side effects intensity and/or frequency. Or even causing side effects that are not common for Equipoise.


At you could find the best quality steroids including ancillaries and helpful information as well.

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