§ Same category · GH-stack peptides
ACE-031 vs FST-344
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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ACE-031
2
vendors tracked
from $100.79/mg
FST-344
2
vendors tracked
from $138.00/mg
◎ Cheapest $/mg:ACE-031 at $100.79/mg
ACE-031
Activin receptor IIB ligand trap
Operational
$100.79
$100.79/mg
In stock◎ Best $/mg
Operational
$173.00
$173.00/mg
In stock▲ 71.6% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| ResearchPeptide UK UK | B- | Operational | $100.79 ◎ Best $/mg | $100.79 | In stock | Buy with code → | |
| Core Peptides US | A | Operational | $173.00 ▲ 71.6% | $173.00 | In stock | Visit → |
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Last crawl 2026-05-09Sort:
2026-05-09FST-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:
2026-05-09About ACE-031
A soluble ActRIIB-Fc fusion protein that sequesters myostatin, activin, and GDF-11. Phase 2 for muscle disorders.
About FST-344
The 344-residue isoform of follistatin, studied for myostatin inhibition and muscle growth research.