§ Same category · GH-stack peptides
FST-344 vs Myostatin Inhibitor Peptide
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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FST-344
2
vendors tracked
from $138.00/mg
Myostatin Inhibitor Peptide
0
vendors tracked
FST-344
Follistatin isoform research
Operational
$138.00
$138.00/mg
Out of stock◎ Best $/mg
Operational
$499.99
$499.99/mg
In stockOn sale▲ 262.3% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Core Peptides US | A | Operational | $138.00 ◎ Best $/mg | $138.00 | Out | Buy with code → | |
| Nexus Peptides US | B | Operational | $499.99 On sale ▲ 262.3% | $499.99 | In stock | Visit → |
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Last crawl 2026-05-09Sort:
2026-05-09Myostatin Inhibitor Peptide
Research myostatin antagonist
No current listings at 1mg.
About FST-344
The 344-residue isoform of follistatin, studied for myostatin inhibition and muscle growth research.
About Myostatin Inhibitor Peptide
Research-grade myostatin-blocking peptide for preclinical muscle-growth research.