What is Andarine?

Andarine, also known as S-4, S-40503, or 8, is a SARM developed with the aim of treating osteoporosis and muscle wasting.

SARMs (selective androgen receptor modulators) are drugs that bind to the androgen receptor (AR), which is the main site of action of the hormone testosterone.

Effects

• Helps gain muscle mass
• Can improve bone strength
• Creates cut and dry look

Side Effects and Dangers

• Hormone suppression
• Vision-related problems, night blindness
• Liver toxicity

Chemical Structure