Andarine S4 SARM: Everything You Should Know

Selective androgen receptor modulators are being investigated as a potential treatment for muscle wasting diseases such as osteoporosis. In today’s article, we will be closely examining an investigational selective androgen receptor modulator called Andarine S4.

We’re going to show you the benefits and dangers of using this compound. We will also take a look at the anecdotal and clinical data available on dosages, results, and other topics.

How Does Andarine S4 Work?

Before we further discuss this compound, it’s essential to know some necessary information on this product.

GTX Inc developed Andarine (GTX-007 or S4). The pharmaceutical company wanted to create a compound that could be useful for treating various types of medical conditions, primarily those related to muscle wasting and prostate enlargement.

What the S4 SARM does is it selectively binds to the androgen receptors in your body. You can read more about the structure and importance of androgen receptors here.

What makes them so unique is that they selectively bind to those receptors.

This means in the process of binding to the receptors; it won’t interfere with any other biological processes.

Due to this mechanism, you may experience fewer negatives compared to, for example, steroids and prohormones.

With that said, they are still undergoing research, and the long-term effects are unknown.

What Results To Expect From The S4 SARM

We’re going to start by saying that you can achieve impressive results when using S4. But, you need to know how to use it to achieve these results.

The main reason that this product has gotten popular amongst bodybuilders is because of the following benefits:

  • It accelerates muscle growth by binding to the androgen receptors.
  • It significantly increases overall performance, such as strength and power.
  • It is said to help increase vascularity and muscle hardness at low doses.
  • It speeds up the rate of recovery, resulting in better performance and growth.
  • It could carry fewer side effects compared to other performance-enhancers, but clinical data is insufficient.

From the research we’ve done, Andarine S4 is extremely popular for athletes. It works fast, and the effects are very significant.

When it comes to results, a typical cycle can help you gain 10lbs of lean muscle tissue within two months.

But, this is only achievable if you are in a caloric surplus and workout multiple times per week.

Andarine S4 Before and After

How To Use Andarine – Dosage & Cycle

If you are planning a cycle with this product, it’s essential to know how to use Andarine for optimal results and to prevent any issues.

Many of you will wonder what the most efficient dosage and cycle length are.

According to the research we’ve done on this product, the best Andarine dosage is between 25 to 50mg per day.

The half-life of S4 is roughly 4 hours, meaning it has to be dosed several times per day for optimal results.

Maintaining steady levels of this compound in the body during a cycle is essential, so stay consistent with dosing.

When we look at user reports and experiences, a cycle lasts for 6 to 8 weeks with a dosage of 25-50mg per day.

Many will add in other compounds during a cycle. Check out our writeups on compounds such as MK 677 or SR9009 to see if they suit your goals.

As we’ve mentioned before, S4 is exceptionally potent when you compare it to the other SARMs out there. Therefore, you will only need a low to moderate dose to see significant results.

Can Andarine Cause Side Effects?

Andarine is known to cause several side effects. According to our research, there are two main concerns when using this SARM.

The most common side effect caused by Andarine S4 is a yellow vision tint in the eyes. It is typically experienced after one to two weeks into a cycle.

This change in vision color will fade away after discontinuing usage. 

The other concern is that it can cause suppression of testosterone. The Andarine will impact your body’s natural hormone levels, causing them to decline. 

Therefore, a proper SARMs PCT is an absolute must after you finish the cycle. If you don’t use one, you’re at risk of losing the progress you’ve made during the cycle.

Andarine can be detected in sports drug testing. WADA prohibits it. 

Please note that the higher the S4 Sarm dosage, the more likely one will be to experience these adverse side effects.

Is Andarine Safe?

We can’t conclude that Andarine is entirely safe for use. The compound is still under investigation, and there is not enough information available to support the compound’s safety profile.

However, it has shown a lot of promising effects during clinical trials. It could be possible that soon, we will know more about its safety.

Can You Stack Andarine S4?

It is possible to stack Andarine with other selective androgen receptor modulators (SARMs).

Many athletes and bodybuilders combine several compounds in order to increase lean mass and strength significantly.

A popular SARMs stack is the Triple Stack. It’s a combination of Andarine, Cardarine, and Ostarine. It’s mostly used for cutting and getting lean.

The combination of those three products will create impressive results. It’s a stack we’ve previously used with fantastic progress.

You can get leaner, more vascular, fuller muscles, and more endurance.

If your primary goal is to gain muscle, you can consider stacking it with LGD4033 or RAD140 – they’re the best muscle-building compounds according to user reports.

Stacking several SARMs together may increase the risk of side effects such as suppression. Make sure to do your research on post cycle therapy and why it is necessary.

Andarine S4 For Sale & Where Should You Buy S4 SARM

If you’re looking for a reliable place with the S4 SARM for sale, head over to Chemyo.

They’re known as one of the biggest and most trusted vendors for these types of compounds.

You will find that they’re slightly more expensive compared to other places, but they have high purity Andarine, which is very important.

If you buy an impure product from a different website, chances are you won’t get the results you’re after. Besides that, you might also be putting your health at risk by using a questionable product.

We’ve used it before and have been very satisfied with both the product quality and service.

Frequently Asked Questions About Andarine (S4)

Do you need PCT for Andarine?

How long does Andarine take to work?

Does S4 SARM Suppress Testosterone?


SARMs such as Andarine might become promising treatments for a wide variety of conditions.

Bodybuilders use this investigational compound to help them enhance muscle growth, power, and performance.

It can cause multiple side effects, and the product is still being researched, meaning safety cannot be guaranteed.

If one plans to research the S4 SARM, a post cycle therapy must be used after a cycle. Stacking is optional, but we do not recommend doing so.

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