§ Same category · GH-stack peptides
GCP vs IGF-1 LR3
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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GCP
0
vendors tracked
IGF-1 LR3
0
vendors tracked
GCP
Vendor growth-peptide complex
No current listings at 5mg.
IGF-1 LR3
Long-acting IGF-1 analog
No current listings at 1mg.
About GCP
Vendor-branded growth-peptide complex. Composition varies; verify COA.
About IGF-1 LR3
An IGF-1 analog engineered with reduced IGF binding-protein affinity, giving extended half-life for muscle/hypertrophy research.