MK-677 (Ibutamoren) 25 mg Capsules

Research-grade capsule formulation supplied in a secure resealable container. MK-677, also known as Ibutamoren, is an investigational ghrelin receptor agonist studied in controlled laboratory settings for its relationship to growth hormone signaling, IGF-1 response, sleep-associated pathways, tissue recovery, and endocrine-related metabolic research.

Research Use Only

This product is intended strictly for laboratory and scientific investigation. Not for human consumption, therapeutic use, or veterinary application.

Specifications

Form

Capsules

Content

25 mg MK-677 per capsule

Quantity

60 capsules per pack

Packaging

Resealable container

Storage

Store protected from light at room temperature

Molecular Formula

C₂₇H₃₆N₄O₅S

Molecular Weight

528.7 g·mol⁻¹

IUPAC Name

2-amino-2-methyl-N-[[1R]-1-[[(2R)-2-methyl-4-(1-methyl-2-pyrrolidinyl)-2-butenoyl]amino]-2-phenylethyl]-propanamide

Other Names

Ibutamoren, MK-677, Nutrabol

CAS Number

159752-10-0

Research Overview

MK-677 is studied as an orally active ghrelin receptor agonist with strong research interest in growth hormone release, IGF-1 signaling, and recovery-associated metabolic pathways. In experimental settings, it is investigated for its relationship to muscle-mass maintenance, sleep architecture, tissue-repair signaling, and broader endocrine and neuroprotective laboratory models. No therapeutic or clinical claims are made or implied.