Ibutamoren (MK-677) behaves somewhat differently from other SARMs. It acts on the body’s growth hormone receptors, significantly increasing IGF-1 and growth hormone levels. In doing so, it promotes muscle growth and bone density.
Ibutamoren also increases appetite and energy, making it ideal for bulking cycles.
Most users find a daily Ibutamoren dose of 10-25 mg effective and safe.
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