IGF-1 LR3: where to get lab-tested lots
Last updated Oct 8, 2026 · Paramount Peptides prices checked Oct 7, 2026 · 8 tested lots on file
Affiliate disclosure: the shop buttons are affiliate links and SKYLER is Skyler Humphrey's affiliate code. We earn a commission at no extra cost to you. Full disclosure
IGF-1 LR3 is available from both of our tested suppliers. Each section lists that supplier's products with the latest certificate for each; every lot links to its own page with the full results and the lab's verification link.
IGF-1 LR3 from Paramount Peptides
4 tested lots on file · labs on these certificates: Accumark Labs, Janoshik
| Product | Vial | Price | Latest lot | Tested lots | |
|---|---|---|---|---|---|
| IGF-1 LR3 (1mg) | 1 mg | $85.00 listed price, checked Oct 7, 2026 | IGF1A122925 99.09% · Jul 6, 2026 · Accumark Labs | 4 | Shop ↗ |
Visit Paramount Peptides ↗ Paid link · code SKYLER = 10% off (offer as of Oct 7, 2026)
IGF-1 LR3 from Peptira
4 tested lots on file · labs on these certificates: Freedom Diagnostics, Janoshik
| Product | Vial | Price | Latest lot | Tested lots | |
|---|---|---|---|---|---|
| IGF1-LR3 Vial 1 mg | 1 mg | See site prices are shown after research-account sign-in | IGF1-1-004 99.25% · Mar 19, 2026 · Freedom Diagnostics | 4 | Shop ↗ |
Visit Peptira ↗ Paid link · code SKYLER = 10% off (offer as of Oct 7, 2026)
Prices are the listed price on the supplier's public product page on Oct 7, 2026, before any code or shipping, and they change often. "See site" means the price isn't public or we couldn't confirm it.
Offer as of Oct 7, 2026. SKYLER is Skyler Humphrey's affiliate code: we earn a commission on orders that use it, at no extra cost to you. Code details
Doses reported in published studies: IGF-1 LR3: doses reported in published research (literature summary, not advice).
Organ systems in published research: Kidney & urinary tract, Gut & digestive tract, Muscle & tendon, Pituitary & hormone axes.
More on the compound itself: IGF-1 LR3 research profile (identity, research record and regulatory status). Every lot is listed in the COA lookup.