PepsTracker › Blog › Cheapest IGF-1 LR3 2026
Last updated: June 09, 2026 · 3 vendors tracked · Prices updated daily
pepstracker for 15% offIGF-1 LR3 is a research peptide — synthetic compound studied for its unique biological properties and research applications. The table below compares all 3 vendors we track, sorted by cost-per-mg after applying discount codes. All products are for research use only.
Vendors sell different vial sizes — comparing sticker prices is misleading. A $30 vial of 5mg works out to $6.00/mg, while a $55 vial of 10mg is only $5.50/mg. The $55 option is actually cheaper per unit of research material.
📐 Formula: Discounted price ÷ mg = cost per mg
Example: $45 after discount ÷ 10mg = $4.50/mg. The table above calculates this automatically for every vendor, so you can compare apples to apples instantly.
When evaluating vendors for IGF-1 LR3, also check for: Certificate of Analysis (COA) availability, third-party HPLC or mass spectrometry verification, US-based shipping if timing is important, and responsive customer support.
Fusion Peptide lists IGF-1 LR3 at $34.49 for 1.0mg. Apply 15% off with code pepstracker to bring your price to $29.32 — $29.32 per milligram.
Puratek Peptides lists IGF-1 LR3 at $74.95 for 1.0mg. Apply 0% off with code pepstracker to bring your price to $74.95 — $74.95 per milligram.
GLP-1 Research Lab lists IGF-1 LR3 at $75.00 for 1.0mg. Apply discount via affiliate link to bring your price to $75.00 — $75.00 per milligram.
Based on our current data across 3 vendors, Fusion Peptide currently offers the best cost-per-mg — $29.32/mg when you use code pepstracker. Always compare $/mg rather than sticker price since vial sizes vary significantly.
Price variation reflects batch size, synthesis purity, third-party testing costs, and shipping infrastructure. Cheaper doesn't always mean lower quality — some vendors simply operate more efficiently. That said, always verify a Certificate of Analysis (COA) before purchasing from any vendor.
Divide the discounted price by the milligrams per vial. Example: $50 for 10mg = $5.00/mg, while $35 for 5mg = $7.00/mg. The $50 option is cheaper per unit even though the upfront cost is higher. Our table above handles this calculation automatically.
Yes — all discount codes are affiliate codes we maintain with each vendor. Apply the code at checkout or click our Shop link which may apply it automatically. Codes are verified regularly but prices and availability can change — always confirm at checkout.
Our comparison tool shows current pricing across all 3 vendors with discount codes already applied — updated every day.
📊 See Live Prices →