IGF-1 LR3
A longer-lasting form of IGF-1, studied for muscle growth.
Best value right now · 1 mg
Bio Pepz
IN STOCKTRUST 6.5
Per mg54% under the $78.50 median
Vial price1.08 mg · verified Aug 21
Avg per mg · 1 mg
$79.34−41.1%
Ranged $79.34 – $175.70 across 45 vendorsCompare 44 vendors · 1 mg
VendorStock
35
Behemoth LabzUNTESTED · OUT
$13.49$13.49
36
Real PeptidesUNTESTED · OUT
$40.00$40.00
37
SwissChemsTRUST 4.0 · OUT
$59.96$59.96
39
Verified PeptidesUNTESTED · OUT
$65.00$65.00
40
Pepvida LabsUNTESTED · OUT
$85.00$85.00
41
PeptidologyTRUST 7.6 · OUT
$86.00$86.00
42
Umbrella LabsUNTESTED · OUT
$89.99$89.99
44
Risynth BioTRUST 9.1 · OUT
$125.00$125.00
Showing 8 of 44 vendors · 36 more from $13.49/mg
IGF-1 LR3 prices verified Aug 21, 2026
$36.11/mgBio Pepz · $39.00
Buy best pricePrice movement · 30 days
−5.9%median per mg, all sizes
Cheapest ever recorded: $10.00/mg on Mar 2. Today is 261.1% above that low.See our top-ranked IGF-1 LR3 vendors
Ranked by Finnrick trust score, independent lab testing, and price.
Compare IGF-1 LR3 head-to-head
- IGF-1 LR3 vs Tesamorelin
- IGF-1 LR3 vs Ipamorelin
- IGF-1 LR3 vs CJC-1295 + Ipamorelin
- IGF-1 LR3 vs Sermorelin
- IGF-1 LR3 vs CJC-1295 (No DAC)
- IGF-1 LR3 vs Tesamorelin + Ipamorelin
Quick Summary
A long-lasting version of IGF-1 for muscle growth and recovery — significantly more potent than the natural form your body makes. Available from 45 vendors, priced from $12.00 to $280.00.
Research: Structural modifications give IGF-1 LR3 an active half-life of 20-30 hours (vs. ~12 hours for natural IGF-1) and approximately 2.5x greater muscle-building potency in animal models.
Side effects: Low blood sugar, Water retention, Joint pain, Headaches
Research compound
- 37 of 45 vendors currently have it in stock
- Highest-rated vendor: Risynth Bio (9.1 Finnrick score)
- Most common vial size: 1mg
- Category: Growth Hormone — Growth hormone releasing peptides
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