Oratropbol — Ibutamoren (MK-677)

Pharmaceutical Name: Oratropbol | Chemical Name: Ibutamoren (MK-677)

Chemical Information

• Chem. Abstr. Name: 2-Methylalanyl-O-benzyl-D-seryl)-1-(methylsulfonyl)-1,2-dihydrospiro[indole-3,4′-piperidine]
• Molecular Formula: C₂₇H₃₆
• Molecular Weight: 528.644 g/mol

Presentation

Each tablet contains 10mg of Ibutamoren (MK-677). Tablets are light greenish yellow, film-coated, round and concave, with KF imprint on one side.

• Container: sealed bottle of 50 tablets with QR authentication label.
• Blister: 5 strips × 10 tablets (50 total) per box, QR authentication printed on the box.

Overview

Oratropbol (MK-677), also known as Ibutamoren, is one of the most popular compounds in the performance enhancement market. Its primary mechanism is to boost IGF-1 and growth hormone (GH) levels by mimicking the action of the natural hormone ghrelin.

By binding to the ghrelin receptor (GHSR) in the brain, Ibutamoren stimulates the production of growth hormone. Interestingly, GHSR receptors are found in brain regions responsible for memory, circadian rhythms, mood, appetite, pleasure, and cognition. This means MK-677 may influence these functions as well.

Key Characteristics

• Increases growth hormone and IGF-1 secretion.
• Does not interfere with other hormones like cortisol.
• Supports muscle growth, fat reduction, and faster recovery.
• May influence mood, cognition, appetite, and biological rhythms due to ghrelin receptor activation.
• Oral tablet form for convenient daily use.
• Packaging includes QR authentication for product verification.

Important: MK-677 is still considered a research compound in many jurisdictions. Use responsibly and under proper medical guidance, in line with local regulations and anti-doping rules.