§ Same category · GH-stack peptides
FST-315 vs GCP
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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FST-315
0
vendors tracked
GCP
0
vendors tracked
FST-315
Follistatin short isoform research
No current listings at 1mg.
GCP
Vendor growth-peptide complex
No current listings at 5mg.
About FST-315
The 315-residue isoform of follistatin, studied for myostatin inhibition and muscle growth research.
About GCP
Vendor-branded growth-peptide complex. Composition varies; verify COA.