Peptide therapy Often grouped with peptides

MK-677 Ibutamoren

What it is and what people take it for, in plain language.

Updated October 2026Further reading

What is MK-677?

Not a peptide: an oral small molecule that mimics ghrelin and raises growth hormone.

What do people take MK-677 for?

Muscle, sleep and appetite.

Should I talk to a physician about MK-677?

If you are considering it, or already using it, a physician can look at your history, your labs and your goals, and at what else might explain what you are hoping to change. At Aether Medicine in King of Prussia, near Philadelphia, or by video for patients in Pennsylvania.

Or call 484-806-1101

Further reading

  1. Adunsky A, et al. MK-0677 (ibutamoren mesylate) for the treatment of patients recovering from hip fracture: a multicenter, randomized, placebo-controlled phase IIb study. Arch Gerontol Geriatr. 2011. pubmed.ncbi.nlm.nih.gov/21067829/
  2. Nass R, et al. Effects of an oral ghrelin mimetic on body composition and clinical outcomes in healthy older adults: a randomized trial. Ann Intern Med. 2008. pubmed.ncbi.nlm.nih.gov/18981485/

Educational information only, not medical advice. Reading this page does not create a physician-patient relationship.

Curious about MK-677?Talk to a physician about your goals. No payment online.