--- title: "Where to Buy IGF-1 LR3 — Cheapest Vendor 2026" description: "Compare IGF-1 LR3 prices across every research peptide vendor. Live in-stock listings ranked by price per mg. Verified weekly. Find the cheapest current source." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co/" }, { "@type": "ListItem", "position": 2, "name": "Compare", "item": "https://www.bodyhackguide.co/compare" }, { "@type": "ListItem", "position": 3, "name": "Buy IGF-1 LR3" } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co" }, { "@type": "ListItem", "position": 2, "name": "Compare", "item": "https://www.bodyhackguide.co/compare" }, { "@type": "ListItem", "position": 3, "name": "Buy IGF-1 LR3", "item": "https://www.bodyhackguide.co/buy/igf-1-lr3" } ] }, { "@context": "https://schema.org", "@type": "Product", "name": "IGF-1 LR3", "description": "IGF-1 LR3 (Long R3 IGF-1) is a synthetic analog of human insulin-like growth factor 1 modified at two positions to dramatically extend its serum half-life and amplify its tissue bioactivity compared t", "offers": { "@type": "AggregateOffer", "priceCurrency": "USD", "lowPrice": "49.99", "highPrice": "90.00", "offerCount": 4, "offers": [ { "@type": "Offer", "price": "49.99", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "seller": { "@type": "Organization", "name": "ResearchChemHQ" }, "url": "https://www.bodyhackguide.co/vendors/researchchemhq" }, { "@type": "Offer", "price": "49.99", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "seller": { "@type": "Organization", "name": "Optimum Formula" }, "url": "https://www.bodyhackguide.co/vendors/optimum-formula" }, { "@type": "Offer", "price": "59.99", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "seller": { "@type": "Organization", "name": "VANDL Labs" }, "url": "https://www.bodyhackguide.co/vendors/vandl-labs" }, { "@type": "Offer", "price": "90.00", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "seller": { "@type": "Organization", "name": "Ion Peptide" }, "url": "https://www.bodyhackguide.co/vendors/ion-peptide" } ] } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Where can I buy IGF-1 LR3 online?", "acceptedAnswer": { "@type": "Answer", "text": "IGF-1 LR3 is available from 4 verified research peptide vendors tracked on BodyHackGuide. The cheapest current price per mg is ResearchChemHQ at $49.99/mg. Tap any \"Buy\" button on this page to go directly to the vendor's product page." } }, { "@type": "Question", "name": "What's the cheapest price for IGF-1 LR3?", "acceptedAnswer": { "@type": "Answer", "text": "Right now the lowest price per mg comes from ResearchChemHQ at $49.99/mg ($49.99 for 1mg). Daily price snapshots keep this ranking current — bookmark for the live cheapest source." } }, { "@type": "Question", "name": "Is buying IGF-1 LR3 online safe?", "acceptedAnswer": { "@type": "Answer", "text": "Vendor safety varies. BodyHackGuide ranks every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). Vendors below the Trust Score threshold aren't surfaced on this page. The vendor profile linked from each listing shows their full score breakdown." } }, { "@type": "Question", "name": "Do I need a prescription for IGF-1 LR3?", "acceptedAnswer": { "@type": "Answer", "text": "IGF-1 LR3 is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell IGF-1 LR3 for human consumption, and BodyHackGuide doesn't promote off-label use. Always consult a licensed practitioner before any compound enters a clinical context." } } ] } ] --- [Skip to content](#main-content) ## Research Use Only This site is an **educational resource** for research compounds. We do **not endorse** human consumption of any compound. BodyHackGuide and **BHG Labs share common ownership**; we rank every vendor on the same public methodology, and we earn a commission on purchases through our links. By entering, you confirm you are **21 years of age or older** and agree to our [Terms](/terms) & [Privacy Policy](/privacy). I'm 21+ — Enter SiteLeave site [![BodyHackGuide](/assets/bodyhackguide-logo-DOzZNUyh.webp)BodyHackGuide ](/) [Compare](/compare)[Wiki](/wiki)[Vendors](/vendors)[Deals](/deals)[Stacks](/stack-builder)[Nootropics](/nootropics)[Tools](/tools) Learn Community Search ⌘K [Sign In](/auth?returnTo=%2Fbuy%2Figf-1-lr3) 100K+ researchers trust BodyHackGuide — Join [r/BodyHackGuide](https://reddit.com/r/bodyhackguide) 1. [Home](/) 3. [Compare](/compare) 5. Buy IGF-1 LR3 Growth Hormone / IGF-1 Axis · live pricing # Where to Buy IGF-1 LR3 — Cheapest Vendor in 2026 Live IGF-1 LR3 pricing across every research peptide vendor we track, ranked by price per mg. Updated daily. Right now the cheapest source is **ResearchChemHQ** at **$49.99/mg**. ## IGF-1 LR3 vendor ranking — cheapest first 1 ResearchChemHQ Best price $49.99 for 1mg · $49.99/mg [Buy at RC](https://www.bodyhackguide.co/go/researchchemhq?utm_source=buy-page&utm_campaign=igf-1-lr3&utm_medium=best-price) 2 Optimum Formula $49.99 for 1mg · $49.99/mg 10% OFF with code REDDIT [Buy at OF](https://www.bodyhackguide.co/go/optimum-formula?utm_source=buy-page&utm_campaign=igf-1-lr3&utm_medium=rank-list) 3 VANDL Labs $59.99 for 1mg · $59.99/mg Discount on all products with code CHON [Buy at VANDL Labs](https://www.bodyhackguide.co/go/vandl-labs?utm_source=buy-page&utm_campaign=igf-1-lr3&utm_medium=rank-list) 4 Ion Peptide $90.00 for 1mg · $90.00/mg [Buy at Ion Peptide](https://www.bodyhackguide.co/go/ion-peptide?utm_source=buy-page&utm_campaign=igf-1-lr3&utm_medium=rank-list) [ Research profile Mechanism, dosing, half-life, peer-reviewed studies for IGF-1 LR3. ](/compound/igf-1-lr3)[ Coupon codes Every active vendor coupon for IGF-1 LR3, click-to-copy. ](/coupons/igf-1-lr3)[ Reconstitution calculator Vial size + BAC water → concentration, syringe units, doses per vial. ](/tools/reconstitution/igf-1-lr3) ## What is IGF-1 LR3? IGF-1 LR3 (Long R3 IGF-1) is a synthetic analog of human insulin-like growth factor 1 modified at two positions to dramatically extend its serum half-life and amplify its tissue bioactivity compared to native IGF-1. The "LR3" designation describes the two key modifications: - \*\*"L" (Long):\*\* A 13-amino-acid N-terminal extension peptide added to the native 70-amino-acid IGF-1 sequence - \*\*"R3":\*\* … [Read the full IGF-1 LR3 research profile](/compound/igf-1-lr3) ## Buying IGF-1 LR3 — FAQ ### Where can I buy IGF-1 LR3 online? IGF-1 LR3 is available from 4 verified research peptide vendors tracked on BodyHackGuide. The cheapest current price per mg is ResearchChemHQ at $49.99/mg. Tap any "Buy" button on this page to go directly to the vendor's product page. ### What's the cheapest price for IGF-1 LR3? Right now the lowest price per mg comes from ResearchChemHQ at $49.99/mg ($49.99 for 1mg). Daily price snapshots keep this ranking current — bookmark for the live cheapest source. ### Is buying IGF-1 LR3 online safe? Vendor safety varies. BodyHackGuide ranks every vendor on a 0-100 Trust Score (COA verification, payment transparency, community feedback, shipping practices). Vendors below the Trust Score threshold aren't surfaced on this page. The vendor profile linked from each listing shows their full score breakdown. ### Do I need a prescription for IGF-1 LR3? IGF-1 LR3 is sold for research-use-only by the vendors on this page — no prescription required for research purchases. None of these vendors sell IGF-1 LR3 for human consumption, and BodyHackGuide doesn't promote off-label use. Always consult a licensed practitioner before any compound enters a clinical context. **Affiliate disclosure.** BodyHackGuide may earn a commission from purchases made via the links on this page — at no additional cost to you. Vendor rankings are based purely on live price-per-mg data and the published Trust Score rubric. We don't accept payment for editorial placement. See our full [affiliate disclosure](/affiliate-disclosure) . Free 2026 Peptide Cheat Sheet — 50 pages, PDF Reconstitution math, concentration charts, half-lives, and vendor trust tiers. The reference we wish we had on day one. [Download Free](/guides/peptide-cheat-sheet-download?utm_source=buy-compound) ![BodyHackGuide](/assets/bodyhackguide-logo-DOzZNUyh.webp) ### BodyHackGuide Your biohacking research hub — compound pricing, brain health protocols, dosing tools, and vendor reviews. 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