Andarine S4

(6 customer reviews)


Andarine S4


30mL – 50mg/mL

  • Excellent fat loss properties
  • Improved vascularity and muscle tone
  • Improved endurance
(6 customer reviews)

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Buy Andarine S4 SARM – Australia’s Best from Fire Supps

What Is S4?

Andarine S4, also just referred to as S-4 Sarm, is a supplement that binds to androgen receptors thereby activating genes that synthesize protein. As protein is a fundamental building block of muscles the result is increased muscle repair and production. All this is achieved by very selective expression of genes.

Of all the selective androgen receptor modulators (SARMs) available, S-4 is one of the more powerful ones and has shown to not only increase lean body mass but also preserving it. The main delivery mechanism is by mixing a powder with biostatic water and injection for most effective results.


How Does S-4 Work?

The synthetic compound functions by binding to androgen receptors that then trigger certain physiological processes. Unlike other anabolic steroids synthetic SARMs, including Andarine are far more selective in the actions they trigger.

This reduces side effects and allows for very specific application to muscle and bone density improvement. Overall strength and stamina is also improved as part of this process. Traditional testosterone supplements have also resulted in severe fluctuations in testosterone levels from very high to very low.


What are the Benefits of S-4 Andarine Sarms?

Numerous studies have been performed on the use of S4 Andarine with positive impacts noted on bone density increases as well as lean muscle repair and production. Strength, stamina and increased vascular effects have also been observed.

Here are the main benefits noted in studies:

1 – Body Fat Reduction

Increased muscle fibre production is achieved with synthesis of body fat as shown in test study results (S 1).

2 – Increased Bone Density

Bone density can fluctuate with age and can decrease in old age and with certain types of medical conditions. Studies show that bone density can be strengthened with Andarine limiting the effect of osteoporosis (S 5).

3 – Reduced Gynecomastia

This is a very common side effect of SARMs and results in the enlargement of male breast glands but is not evident with S4 studies (S 6).

4 – Increased Lean Body Mass

Clinical studies have shown a significant effect on the regeneration and production of lean body mass specifically muscle tissue (S 1, 5, 6).


What are the Side Effects of Andarine (S4) Sarms?

Similar to all SARMs, Andarine can have significant side effects especially in prolonged heavy use. Some tolerance can also develop. All side effects are non-permanent and have shown to reverse within a few days. Here are the main known side effects:

1 – Negative Impact On Vision

Blurred vision or difficulty seeing in darker light conditions have been noted. These are generally fluctuating effects that are fully reversed when usage is stopped..

2 – Mood Swings

Some mood swings and negative impacts like depression have also been noted in the use of SARMs in general. (S 6).

3 – Yellowing Of The Eyes

This is related to the blurred vision and is due to androgen receptors in the eyes being bound by the supplement as well. Studies have shown that this reverses with lower dosage.


Cited studies:


Terms (Including these Andarine’s S4 SARM products)

The products we offer are intended for laboratory research use only.
Before you order, please read and fully understand our Terms & Conditions.


Additional information

Weight 0.11 kg

6 reviews for Andarine S4

  1. Hass

    Very quick shipping. Product works great, feel good, stacks well with the LGD-4033. Recommend Fire Supps to anybody.

  2. James

    was taking s4 and LGD only had one bottle of each and had lower doses and stretched it out to 6 weeks , in saying that strength gains were good felt it on the 4th day only started to see gains 3 weeks in, very lean gains then other sarms ive had, small side affects like adjusting from light to dark rooms bit of ance but my diet was full of junk food so cant really say sarms caused it after the cycle i feel good pushing same weight for now put 3kg of lean weight on. next time higher doses and run them for longer because i didnt feel the lgd kick in.

  3. Josh M

    You guys do an amazing job and I used you for the first and only time before our Europe trip some time around march/april this year. I got some cardarine and S4 and to be honest I found the cardarine not of much benefit at all, however the S4 was doing a great job at its hardening effect. I hadn’t previously ever been that vascular after a shred. I also had an issue with my order and you guys were really quick and easy to deal with to ensure that it was sorted.

  4. Cory richardson

    ot harder, stronger and faster. Fire Supps s4 is a higher grams per mils competed to other companies so more bang for your buck.
    Will defiantly use Fire Supps products again.

  5. Jason

    I used S4 for two months and the strength and size gains were amazing. Definitely worth the money.

  6. Anonymous (verified owner)

    3 weeks in and starting to see improvements

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