{"product_id":"igf1-lr3","title":"IGF1-LR3","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eIGF1-LR3 (Receptor Grade)\u003c\/span\u003e\u003cspan class=\"s2\"\u003e is a research peptide analog of human insulin-like growth factor 1 engineered with a 13–amino acid N-terminal extension to improve receptor affinity and resistance to binding proteins. It activates IGF-1 receptor–mediated PI3K\/Akt and MAPK\/ERK signaling pathways that regulate cellular proliferation, differentiation, and anabolic activity. IGF-1 LR3 (Receptor Grade) is used in controlled studies examining growth factor kinetics, peptide–receptor interactions, and metabolic signaling mechanisms.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vital lab ","offers":[{"title":"Default Title","offer_id":46956190072981,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/6966\/4917\/files\/0217ED44-5FBE-463A-A093-DAE1024F015F.png?v=1771038293","url":"https:\/\/vitallabcom.com\/products\/igf1-lr3","provider":"Vital lab ","version":"1.0","type":"link"}