{"product_id":"igf-1-lr3","title":"IGF-1 LR3","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:da81b193-1174-48e8-8d02-6b3647bff893-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"966b8e83-da40-4cc9-bf1a-de6721e22897\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"46\"\u003e\u003cstrong data-start=\"0\" data-end=\"46\"\u003eIGF-1 LR3 – Advanced Growth Factor Peptide\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"48\" data-end=\"384\"\u003eIGF-1 LR3 is a long-acting analog of Insulin-Like Growth Factor-1 (IGF-1), engineered to deliver enhanced stability and extended activity compared to standard IGF-1. Widely researched for its role in cellular growth, recovery, and muscle development, IGF-1 LR3 is a popular peptide in performance and regenerative research applications.\u003c\/p\u003e\n\u003cp data-start=\"386\" data-end=\"714\"\u003eThis modified peptide features a longer half-life and reduced binding affinity to IGF binding proteins, allowing for greater bioavailability and prolonged activity within the body. IGF-1 LR3 interacts with IGF-1 receptors to support pathways associated with muscle cell growth, nutrient utilization, recovery, and tissue repair.\u003c\/p\u003e\n\u003ch3 data-start=\"716\" data-end=\"732\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"733\" data-end=\"1033\"\u003e\n\u003cli data-start=\"733\" data-end=\"783\"\u003eLong-acting IGF-1 analog with enhanced stability\u003c\/li\u003e\n\u003cli data-start=\"784\" data-end=\"829\"\u003eExtended half-life compared to native IGF-1\u003c\/li\u003e\n\u003cli data-start=\"830\" data-end=\"889\"\u003eDesigned to support cellular growth and recovery research\u003c\/li\u003e\n\u003cli data-start=\"890\" data-end=\"961\"\u003eCommonly studied for muscle development and regenerative applications\u003c\/li\u003e\n\u003cli data-start=\"962\" data-end=\"1033\"\u003eIncreased bioavailability through reduced binding protein interaction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1035\" data-end=\"1060\"\u003eCommon Research Areas\u003c\/h3\u003e\n\u003cp data-start=\"1061\" data-end=\"1134\"\u003eResearchers and performance-focused users commonly explore IGF-1 LR3 for:\u003c\/p\u003e\n\u003cul data-start=\"1135\" data-end=\"1327\"\u003e\n\u003cli data-start=\"1135\" data-end=\"1171\"\u003eLean muscle growth and hypertrophy\u003c\/li\u003e\n\u003cli data-start=\"1172\" data-end=\"1200\"\u003eRecovery and tissue repair\u003c\/li\u003e\n\u003cli data-start=\"1201\" data-end=\"1246\"\u003eNutrient partitioning and protein synthesis\u003c\/li\u003e\n\u003cli data-start=\"1247\" data-end=\"1279\"\u003eCellular regeneration research\u003c\/li\u003e\n\u003cli data-start=\"1280\" data-end=\"1327\"\u003ePerformance and body composition optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1329\" data-end=\"1348\"\u003eProduct Quality\u003c\/h3\u003e\n\u003cp data-start=\"1349\" data-end=\"1491\"\u003eProduced under stringent quality control standards and tested for purity, identity, and consistency to support reliable research applications.\u003c\/p\u003e\n\u003cp data-start=\"1493\" data-end=\"1678\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1493\" data-end=\"1508\"\u003eDisclaimer:\u003c\/strong\u003e This product is intended for laboratory research purposes only. Not for human consumption. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"A to Z Peptides","offers":[{"title":"0.1mg","offer_id":55748178313556,"sku":null,"price":17.99,"currency_code":"GBP","in_stock":false},{"title":"1mg","offer_id":55748178346324,"sku":null,"price":74.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1022\/9225\/9156\/files\/ChatGPTImageMay8_2026_03_04_59PM.png?v=1778249112","url":"https:\/\/atozpeptide.com\/products\/igf-1-lr3","provider":"A to Z Peptides","version":"1.0","type":"link"}