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Andarine S-4 is a SARM, Selective Androgen Receptor Modulator, that was originally developed to treat osteoporosis and muscle wasting disorders.

It is a very powerful androgen receptor agonist, meaning it will bind to the androgen receptor and activate it. The advantage that Andarine has over other steroids is that it is selective in the muscles, bones, and fat cells. It does not affect other parts of the body, like the prostate, for example.

Andarine has become very popular in the bodybuilding community because it is very effective at building muscle and burning fat. It is also known to increase strength and endurance.

Andarine has a half-life of 4-6 hours, so it needs to be taken multiple times per day. The recommended dose is 50-75 mg per day, split into 3 doses.

Andarine S-4 Liquid Vials 
CAS Number19269-85-3
Molar Mass128.3 g/mol-1
Chemical FormulaS4
IUPAC NameTetrathietane
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