{"product_id":"igf-1-lr3-1mg-3ml-research-peptides-insulin-like-growth-factor","title":"IGF-1 LR3 1mg 3ml Research Peptide","description":"\u003ch2\u003eIGF-1 LR3 1mg 3ml Research Peptides in UK (Insulin-Like Growth Factor-1 Long R3)\u003c\/h2\u003e\n\u003cp\u003eIGF-1 LR3 is a recombinant analog of human Insulin-Like Growth Factor 1 (IGF-1), engineered with an N-terminal 13-amino-acid extension and a glutamic acid substitution at position 3 (Arg→Glu). This modification substantially reduces its affinity for IGF binding proteins (IGFBPs), resulting in a significantly longer half-life compared to native IGF-1. It binds to the IGF-1 receptor (IGF1R) and activates downstream PI3K\/Akt and MAPK\/ERK signalling cascades.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLong R3 analog — reduced IGFBP binding, extended half-life\u003c\/li\u003e\n\u003cli\u003e≥99% purity — HPLC tested, COA provided\u003c\/li\u003e\n\u003cli\u003e1mg research vial — lyophilised powder\u003c\/li\u003e\n\u003cli\u003eFast UK dispatch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular Weight:\u003c\/strong\u003e ~9,200 Da\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmino Acids:\u003c\/strong\u003e 83 (including 13 AA N-terminal extension)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e ≥99% (HPLC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Lyophilised powder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e −80°C long-term; −20°C short-term; 4°C post-reconstitution (use within 5 days)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFor research use only. Not intended for human consumption.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ultra Peptides","offers":[{"title":"Default Title","offer_id":47361368096962,"sku":null,"price":34.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4481\/7090\/files\/IGF-1-LR3---1mg---3ml.png?v=1776892778","url":"https:\/\/ultrapeptides.co.uk\/products\/igf-1-lr3-1mg-3ml-research-peptides-insulin-like-growth-factor","provider":"Ultra Peptides","version":"1.0","type":"link"}