MK 677 to buy online is also known as ibutamoren and nutrobal. It’s a selective androgen receptor modulator. This SARM acts as a growth hormone secretagogue. It promotes the release of natural growth hormones in the body, which in turn can cause muscle mass increases and fat burning.
Because SARMs have very few side effects (unlike anabolic steroids which can have severe side effects), they are considered to be the best compound.