S4 is the most potent and most sought after Selective Androgen Receptor Modulators out there—and it’s tough to get a hold of. Very few research chemical companies have access to SARMs S4, and we are happy to be the first to offer it! Not only are we the first, but our S4 formulation allows for the highest bioavailability possible in an oral suspension. Despite being very new in terms of clinical trials, S4 has proven to show amazing possibilities in terms of anabolic-like muscle growth.

Selective Androgen Receptor Modulators (SARMs) provide the benefits of traditional anabolic/androgenic steroids such as testosterone (including increased muscle mass, fat loss, and bone density), while having a lower tendency to produce the unwanted side effects of steroids. The Androgen Receptor (AR) is the cellular receptor that androgens (like testosterone and other anabolic steroids) bind to. This bound androgen/receptor then combine with another similar combination (usually another androgen/androgen-receptor pair), and travel to the cell's nucleus, where gene transcription is induced. This is one known mechanism of how androgens such as anabolic steroids exert their effects on cells. SARMs have the potential to take the place of the androgen, and therefore exert many of the same positive effects on muscle tissue as anabolic steroids like testosterone. SARMs are absorbed orally, but are not liver toxic like most oral steroids are. The anabolic effect has been measured to be roughly the same as testosterone. It has also been shown to produce dose-dependent increases in bone mineral density and mechanical strength in addition to being able decrease body fat and increase lean body mass.

Purchase SARMs Liquid S4 today, very limited supply!

*SARMs S4 formulation based on a COA of 99% purity. Each 30mL 50mg/mL bottle of SARMs S4 is dosed slightly higher to ensure a true 50mg/mL dosage.