MK-677 (Ibutamoren)

Why Buy MK-677 from Official Peptides

Official Peptides offers MK-677 (Ibutamoren) at research-grade purity with independent third-party verification on every batch. We ship from a US-based facility with fast, discreet packaging and competitive pricing. Whether you are restocking or ordering for the first time, Official Peptides provides the documentation and consistency research programs demand.

MK-677 Research Profile

MK-677, also known as Ibutamoren or Nutrabolics, is a non-peptide ghrelin mimetic and growth hormone secretagogue. Unlike injectable GHRPs, MK-677 is orally active and has been studied for its ability to increase GH pulse frequency and IGF-1 levels in animal and human research settings. Preclinical and early clinical studies have examined its effects on lean body mass, bone mineral density, sleep quality, and metabolic parameters. For research use only; not approved for therapeutic use.

Product Specifications

• Purity: ≥99% (HPLC verified)
• Format: Powder or capsule (select at checkout)
• Quantity: Available in 10mg and 25mg formulations
• Storage: Store at room temperature in a dry location; avoid humidity
• Shipping: USPS Priority Mail; ships within 1 business day

Frequently Asked Questions

Q: Is MK-677 a peptide or a small molecule?
A: MK-677 is a small non-peptide molecule, not a traditional peptide. It is a ghrelin receptor agonist that mimics the GH-releasing action of ghrelin. This distinction makes it orally bioavailable in research models, unlike most peptide secretagogues which require parenteral administration.

Q: What research has been published on MK-677?
A: Published research on MK-677 includes peer-reviewed studies examining its effects on GH/IGF-1 axis stimulation, changes in body composition, bone turnover markers, and sleep architecture in animal and human subjects. Researchers should review available literature and obtain appropriate institutional approval before conducting studies.

Q: How is MK-677 stored and how long does it remain stable?
A: MK-677 powder is stable at room temperature for up to 2 years when stored in a sealed, dry environment away from humidity and direct light. No refrigeration is required for long-term storage of the raw compound.

Order MK-677 Online

Order research-grade MK-677 from Official Peptides today. Secure checkout, US-based fulfillment, and free shipping on orders over $150. Every order is backed by our quality guarantee and third-party purity documentation.

For Research Use Only. This compound is intended strictly for in vitro laboratory research by qualified scientists. Not for human consumption. Not FDA approved. Keep out of reach of children.