{"product_id":"melanotan-ii-lh-lh","title":"Melanotan II LH LH","description":"\u003cp\u003e\u003cspan\u003eMelanotan II (MT-II) is a synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (α-MSH), developed at the University of Arizona. Its cyclic lactam bridge structure (Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂) provides enhanced metabolic stability compared to the linear endogenous α-MSH sequence.MT-II is a non-selective melanocortin receptor agonist with demonstrated binding affinity for MC1R, MC3R, MC4R, and MC5R subtypes. Laboratory research has investigated its role in melanogenesis activation through MC1R-mediated cAMP signaling, eumelanin production pathways, and melanocyte tyrosinase activity. Additional in-vitro studies have examined its interaction with MC3R\/MC4R in hypothalamic cell models and its effects on energy homeostasis signaling.Molecular Weight: 1024.18 g\/mol. Sequence: Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂. Appearance: White lyophilized powder. Solubility: Soluble in water. Storage: -20°C, lyophilized, sealed and protected from light.\u003c\/span\u003e\u003c\/p\u003e","brand":"True Peptides","offers":[{"title":"10mg","offer_id":44405644066875,"sku":null,"price":35.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/6981\/3307\/files\/2026-10-07_160645_731.png?v=1791445914","url":"https:\/\/true-peptores.shop\/products\/melanotan-ii-lh-lh","provider":"True Peptides","version":"1.0","type":"link"}