{"product_id":"igf-1-lr3-1mg-research-peptide","title":"IGF-1 LR3 1mg","description":"\u003cp\u003eIGF-1 LR3 (Long R3 IGF-1) is an 83-amino-acid analog of insulin-like growth factor 1 carrying an N-terminal extension and an arginine substitution at position 3, studied in in-vitro receptor-binding and cell-culture research models. It is supplied as a research-grade peptide for laboratory use.\u003c\/p\u003e\u003cp\u003eLyophilized powder, room-temperature stable. Third-party testing by Horizon Analytical; the lot-specific COA is published on this page for tested lots.\u003c\/p\u003e\u003cp\u003eFor in-vitro laboratory research use only. Not for human or animal consumption.\u003c\/p\u003e\n\u003ch2\u003eWhat Is IGF-1 LR3?\u003c\/h2\u003e\u003cp\u003eIGF-1 LR3 (Long R3 IGF-1) is an 83-amino-acid analog of insulin-like growth factor 1 with an Arg3 substitution and a 13-amino-acid N-terminal extension. Each vial from Genetic Peptides USA is manufactured for in-vitro and laboratory research and is shipped from within the USA.\u003c\/p\u003e\n\u003ch2\u003eIGF-1 LR3 Research Context\u003c\/h2\u003e\u003cp\u003eThese modifications reduce binding to IGF-binding proteins, which makes IGF-1 LR3 a common cell-culture supplement and tool compound for IGF-1 receptor signaling research. The information on this page summarizes published scientific context for educational purposes and is not a claim of any therapeutic effect.\u003c\/p\u003e\n\u003ch2\u003ePurity and Third-Party Testing\u003c\/h2\u003e\u003cp\u003eEvery batch of IGF-1 LR3 is independently third-party tested using HPLC (high-performance liquid chromatography) for purity and mass spectrometry (MS) for identity confirmation. Where a Certificate of Analysis is available for the current lot, it is displayed on this page. Researchers should verify the lot number on the vial against the COA for their records.\u003c\/p\u003e\n\u003ch2\u003eStorage and Handling of IGF-1 LR3\u003c\/h2\u003e\u003cp\u003eIGF-1 LR3 is supplied as a lyophilized (freeze-dried) powder, the most stable form for shipping and storage. Store unopened vials cool, dry and away from light; refrigeration at 2–8°C or freezing at -20°C is standard laboratory practice for long-term storage. Once reconstituted with a suitable solvent such as \u003ca href=\"\/products\/bacteriostatic-water-10ml-sterile-reconstitution-solution\"\u003ebacteriostatic water\u003c\/a\u003e, keep refrigerated and follow your institution's handling protocols.\u003c\/p\u003e\n\u003ch2\u003eWhy Researchers Choose Genetic Peptides USA\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThird-party HPLC\/MS tested batches\u003c\/li\u003e\n\u003cli\u003eLyophilized vials, sealed for stability\u003c\/li\u003e\n\u003cli\u003eFast USA shipping\u003c\/li\u003e\n\u003cli\u003eTransparent lot documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIGF-1 LR3 FAQ for Researchers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhere can I buy IGF-1 LR3 in the USA?\u003c\/strong\u003e Genetic Peptides USA ships IGF-1 LR3 research vials from within the United States with tracking on every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs IGF-1 LR3 third-party tested?\u003c\/strong\u003e Yes. Batches are tested by an independent laboratory using HPLC\/MS for purity and identity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat form is IGF-1 LR3 supplied in?\u003c\/strong\u003e A lyophilized powder in a sealed vial, intended for reconstitution in a laboratory setting only.\u003c\/p\u003e\n\u003ch2\u003eRelated Research Compounds\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tesamorelin-10mg-99-4-purity-third-party-tested\"\u003eTesamorelin research peptide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/cjc-1295-no-dac-10mg\"\u003eCJC-1295 (no DAC) research peptide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mots-c-10mg-99-purity-third-party-tested\"\u003eMOTS-c research peptide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/all-peptides\"\u003eShop all research peptides\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eResearch Use Only:\u003c\/strong\u003e IGF-1 LR3 is sold strictly for laboratory research use only. It is not for human or animal consumption, not a drug, food, or cosmetic, and is not intended to diagnose, treat, cure, or prevent any disease. Purchaser assumes responsibility for proper handling in accordance with applicable laws.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Research Guide:\u003c\/strong\u003e \u003ca href=\"\/blogs\/news\/igf-1-lr3-research-peptide-overview\"\u003eIGF-1 LR3 Research Peptide Overview\u003c\/a\u003e\u003c\/p\u003e","brand":"Genetic Peptides USA","offers":[{"title":"Default Title","offer_id":67722887856495,"sku":"GPUSA-IGF1LR3-1MG","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/1490\/4431\/files\/grok-image-937f8dbc-3b2d-4b36-8e1b-cb50396e67d1.jpg?v=1792354846","url":"https:\/\/geneticpeptidesusa.com\/products\/igf-1-lr3-1mg-research-peptide","provider":"GeneticPeptides USA","version":"1.0","type":"link"}