IGF-1 LR3 — Vendor Comparison
Long R3 variant of Insulin-like Growth Factor 1 with extended half-life. Studied for muscle growth, recovery, and metabolic effects.
Rankings based on our Vendor Transparency Score — COA publishing, lab accreditation, batch traceability, and published policies.See our methodology →
We earn commissions from some vendors below. This doesn't affect our rankings — they're determined by Vendor Transparency Scores alone.Full disclosure →
How We Score Transparency
Public COA AccessCore evidenceCertificates of Analysis visible on site with batch-specific results
Batch TraceabilityCore evidenceCOA batch numbers match product labels and packaging
Named Testing LabCore evidenceTesting lab is named and independently verifiable
Policy PagesSupporting trustDedicated refund and/or shipping policy pages
Identifiable OwnershipSupporting trustNamed founders, registered business, or physical address
Methodology v2.0 · Last updated Mar 14, 2026Full methodology →
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13 vendors
| Vendor▼ | Rating▲ | COAs▼ | Est.▼ | Price▼ | Ships▼ | Stock▼ | Actions |
|---|---|---|---|---|---|---|---|
SP Simple Peptides | 2023 | $60.00 $60.00/mg | 1-3 days VISAMCAMEX | In Stock | Visit | ||
VP Verified Peptides | 2020 | $65.00 $65.00/mg | 1-3 days MESH | In Stock | Visit | ||
PC Peptide Crafters | 2024 | $70.00 $70.00/mg | 2-5 days VISAMCPayAli | In Stock | Visit | ||
NP NuScience Peptides | 2003 | $79.99 $79.99/mg | 1-3 days CC₿ | In Stock | Visit | ||
IP Ion Peptides | 2025 | $90.00 $90.00/mg | 2-5 days CC | Out | Visit | ||
SP Skye Peptides | 2023 | $99.00 $99.00/mg | 3-7 days VISAMCAMEXDISCPay₿ | In Stock | Visit | ||
AOP Alpha Omega Peptides | 2024 | $60.00 $60.00/mg | 3-7 days VISAMCAMEXPayAPayVnmoZelle₿ | In Stock | Visit | ||
EP Eternal Peptides | 2024 | $104.99 $104.99/mg | 2-5 days ₿CashZelleBank | In Stock | Visit | ||
SL Strate Labs | 2019 | $110.00 $110.00/mg | 3-7 days ACH₿CBAPay | In Stock | Visit | ||
PP Penguin Peptides | 2025 | $67.00 $67.00/mg | 2-5 days CCAPayAfrm | In Stock | Visit | ||
PP Polaris Peptides | 2024 | $85.00 $85.00/mg | 2-5 days VISAMCAMEXDISCVnmoCashZelleACHWire₿ | In Stock | Visit | ||
AL Atomik Labz | 2024 | $85.00 $85.00/mg | 1-3 days VISAMC₿Vnmo | In Stock | Visit | ||
P PureRawz | 2017 | $127.74 $127.74/mg | 2-5 days ₿LTCETHVnmoZellePayCC | In Stock | Visit |