{"product_id":"ibutamoren-mesylate-mk-677-25mg-research-tablets","title":"MK-677 Research Tablets – 25mg – 60 Count","description":"\u003ch4 data-path-to-node=\"11\"\u003e\u003cstrong\u003eMK-677 (Ibutamoren Mesylate): Orally Bioavailable GH Secretagogue\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eChemical Class:\u003c\/b\u003e Spiropiperidine \u003cb data-path-to-node=\"12\" data-index-in-node=\"32\"\u003eFormat:\u003c\/b\u003e Oral Tablets \u003cb data-path-to-node=\"12\" data-index-in-node=\"53\"\u003eMechanism:\u003c\/b\u003e Selective GHS-R1a (Ghrelin Receptor) Agonist \u003cb data-path-to-node=\"12\" data-index-in-node=\"109\"\u003ePurity:\u003c\/b\u003e ≥98% (HPLC) \u003cb data-path-to-node=\"12\" data-index-in-node=\"129\"\u003eHalf-Life:\u003c\/b\u003e ~24 hours (Pharmacodynamic impact)\u003c\/p\u003e\n\u003chr data-path-to-node=\"13\"\u003e\n\u003ch3 data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eIbutamoren Mesylate (MK-677)\u003c\/b\u003e is a potent, non-peptide, orally bioavailable agonist of the \u003cb data-path-to-node=\"15\" data-index-in-node=\"90\"\u003eGrowth Hormone Secretagogue Receptor (GHS-R1a)\u003c\/b\u003e. Developed as a stable alternative to injectable growth hormone-releasing peptides (GHRPs), MK-677 precisely mimics the action of the endogenous hormone \u003cb data-path-to-node=\"15\" data-index-in-node=\"290\"\u003eghrelin\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"16\"\u003eUnlike exogenous HGH, which can suppress natural production, MK-677 amplifies the amplitude of endogenous growth hormone pulses. It is widely researched for its ability to restore youthful somatotropic function, reversing age-related muscle loss (sarcopenia), improving bone mineral density, and enhancing sleep architecture without the need for daily injections.\u003c\/p\u003e\n\u003chr data-path-to-node=\"17\"\u003e\n\u003ch3 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eMechanism of Action: The Ghrelin Mimetic\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"19\"\u003eMK-677 operates by engaging the hypothalamus and pituitary gland to optimize the GH-IGF-1 axis.\u003c\/p\u003e\n\u003cul data-path-to-node=\"20\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"0\"\u003eReceptor Agonism:\u003c\/b\u003e Binds to \u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"27\"\u003eGHS-R1a\u003c\/b\u003e receptors with high affinity (Kd 0.4 nM). This triggers the \u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"95\"\u003eGq-PLC-IP3\u003c\/b\u003e signaling pathway, leading to a rapid release of intracellular calcium.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-path-to-node=\"20,1,0\" data-index-in-node=\"0\"\u003eGH Pulsatility:\u003c\/b\u003e Amplifies existing growth hormone pulses by stimulating GHRH neurons in the arcuate nucleus while simultaneously inhibiting somatostatin (the \"off switch\" for GH release).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,2,0\"\u003e\u003cb data-path-to-node=\"20,2,0\" data-index-in-node=\"0\"\u003eIGF-1 Induction:\u003c\/b\u003e The resulting GH surges stimulate the liver to increase production of \u003cb data-path-to-node=\"20,2,0\" data-index-in-node=\"87\"\u003eIGF-1\u003c\/b\u003e and its binding proteins (IGFBP-3), providing sustained anabolic signaling over a 24-hour period.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,3,0\"\u003e\u003cb data-path-to-node=\"20,3,0\" data-index-in-node=\"0\"\u003eSleep Modulation:\u003c\/b\u003e Enhances \u003cb data-path-to-node=\"20,3,0\" data-index-in-node=\"27\"\u003eREM sleep\u003c\/b\u003e duration and Stage IV deep sleep by stabilizing the homeostatic sleep-wake cycle via hypothalamic signaling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"21\"\u003e\n\u003ch3 data-path-to-node=\"22\"\u003e\u003cb data-path-to-node=\"22\" data-index-in-node=\"0\"\u003eKey Research Applications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cb data-path-to-node=\"23\" data-index-in-node=\"0\"\u003e1. Body Composition \u0026amp; Nitrogen Retention\u003c\/b\u003e Investigated for its powerful nitrogen-sparing effects. Research shows MK-677 can reverse protein catabolism induced by caloric restriction, leading to significant increases in \u003cb data-path-to-node=\"23\" data-index-in-node=\"218\"\u003efat-free mass (FFM)\u003c\/b\u003e over long-term protocols.\u003c\/p\u003e\n\u003cp data-path-to-node=\"24\"\u003e\u003cb data-path-to-node=\"24\" data-index-in-node=\"0\"\u003e2. Skeletal Health \u0026amp; Bone Remodeling\u003c\/b\u003e MK-677 activates the bone remodeling cycle. Clinical studies in obese and elderly subjects demonstrate significant increases in bone turnover markers, including serum osteocalcin and procollagen III peptide.\u003c\/p\u003e\n\u003cp data-path-to-node=\"25\"\u003e\u003cb data-path-to-node=\"25\" data-index-in-node=\"0\"\u003e3. Age-Related Recovery (Sarcopenia)\u003c\/b\u003e Studies in healthy older adults indicate that daily administration can restore GH and IGF-1 levels to those of healthy young adults, aiding in the maintenance of body cell mass and physical function during senescence.\u003c\/p\u003e\n\u003chr data-path-to-node=\"26\"\u003e\n\u003ch3 data-path-to-node=\"27\"\u003e\u003cb data-path-to-node=\"27\" data-index-in-node=\"0\"\u003eStorage \u0026amp; Handling\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"28\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,0,0\"\u003e\u003cb data-path-to-node=\"28,0,0\" data-index-in-node=\"0\"\u003ePhysical State:\u003c\/b\u003e Tablet form for consistent oral research dosing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,1,0\"\u003e\u003cb data-path-to-node=\"28,1,0\" data-index-in-node=\"0\"\u003eStorage:\u003c\/b\u003e Store in a cool, dry place away from direct sunlight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,2,0\"\u003e\u003cb data-path-to-node=\"28,2,0\" data-index-in-node=\"0\"\u003eLong-Term Storage:\u003c\/b\u003e Store at -20°C (Freezer) to ensure maximum chemical stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,3,0\"\u003e\u003cb data-path-to-node=\"28,3,0\" data-index-in-node=\"0\"\u003eStability:\u003c\/b\u003e Highly stable at room temperature in desiccated tablet form.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"29\"\u003e\n\u003ch3 data-path-to-node=\"30\"\u003e\u003cb data-path-to-node=\"30\" data-index-in-node=\"0\"\u003eDisclaimer\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"31\"\u003e\u003cb data-path-to-node=\"31\" data-index-in-node=\"0\"\u003eFOR RESEARCH USE ONLY.\u003c\/b\u003e This product is a chemical compound intended strictly for laboratory research and development. It is not approved by the FDA for clinical use, diagnostics, or therapeutic procedures in humans or animals. The physiological and toxicological properties of this chemical have not been fully investigated.\u003c\/p\u003e","brand":"Peptagon","offers":[{"title":"Default Title","offer_id":47712709476566,"sku":"MK677-25x60","price":151.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/3085\/5638\/files\/MK-677-_25mg_-x-60-Tablets.png?v=1768836708","url":"https:\/\/peptagon.com\/products\/ibutamoren-mesylate-mk-677-25mg-research-tablets","provider":"Peptagon","version":"1.0","type":"link"}