S4 (Andarine)

S4, also known as Andarine, is a potent SARM that may promote muscle mass gain by selectively targeting androgen receptors in muscle tissue, potentially leading to an increase in protein synthesis. Unlike other SARMs, S4 might not cause water retention, which may make it an appropriate choice for gaining lean muscle mass without adding excess water weight. S4 may also aid in promoting fat loss by encouraging the breakdown of fat cells and promoting the use of stored fat for energy, a process known as lipolysis. This characteristic could make S4 an option for research in fat reduction. Additionally, S4 may improve endurance by increasing the production of red blood cells, which can potentially enhance oxygen delivery to the muscles during exercise, theoretically resulting in improved endurance and stamina.

Appears to improve muscle mass*

S4 is a selective androgen receptor modulator (SARM) that may promote increases in muscle mass. By selectively targeting androgen receptors in muscle tissue, S4 seems to stimulate an increase in protein synthesis, which may lead to an increase in muscle mass. S4 doesn't appear to promote water retention, making it potentially helpful for increasing lean muscle mass without excess water weight.

May help fat loss*

S4 has shown potential in its ability to support fat loss. It increases the production of the hormone adiponectin, which plays a role in glucose regulation and fat metabolism. By selectively targeting androgen receptors in adipose tissue, S4 could stimulate the breakdown of fat cells, leading to their utilization as energy. This process is known as lipolysis, and makes S4 research promising for fat reduction. Compared to other SARMs like Ostarine, S4 has shown effectiveness in targeting adipose tissue more efficiently.

Potential to improve endurance*

S4 may have the potential to improve endurance. This SARM appears to increase red blood cell production, potentially leading to improved oxygen delivery to muscles during exercise. The increased oxygen delivery may result in improved endurance and stamina, which could allow for harder and longer physical activity sessions.

Product Specifications

• Concentration: 25mg/mL
• Volume: 30mL
• Shake well before use.

$199.00

Application	Selective Androgen Receptor Modulator
CAS	401900-40-1
Molar Mass	441.357 g/mol
IUPAC Name	(2S)-3-(4-acetamido-phenoxy)-2-hydroxy-2-methyl-N-(4-nitro-3-trifluoromethyl-phenyl)-propionamide
Synonyms	Andarine, Andarin, S-4, S-40503, GTx-007
Storage	Room Temperature
Solubility	Soluble in Ethanol, PEG400
Physical Form	Solution in Grapeseed Oil
Specification	25mg/mL ±10%

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