§ Same category · GH-stack peptides
FST-315 vs MGF
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
Pepticker may earn affiliate commissions (typically 5-20%) from linked vendors. See our Affiliate Disclosure.
FST-315
0
vendors tracked
MGF
4
vendors tracked
from $6.00/mg
FST-315
Follistatin short isoform research
No current listings at 1mg.
MGF
Muscle-targeted IGF-1 splice variant
B-
Watch$29.99
$6.00/mg
In stock◎ Best $/mg
Operational
$50.00
$10.00/mg
In stock▲ 66.7% vs best
Operational
$59.99
$12.00/mg
Out of stock▲ 100.0% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Modified Aminos US | B- | Watch | $29.99 ◎ Best $/mg | $6.00 | In stock | Buy with code → | |
| Core Peptides US | A | Operational | $50.00 ▲ 66.7% | $10.00 | In stock | Visit → | |
| Pure Lab Peptides US | B- | Operational | $59.99 ▲ 100.0% | $12.00 | Out | Visit → |
Sort:
Last crawl 2026-08-12Sort:
2026-08-12About FST-315
The 315-residue isoform of follistatin, studied for myostatin inhibition and muscle growth research.
About MGF
Mechano Growth Factor — a splice variant of IGF-1 produced by muscle in response to mechanical load. Studied for local muscle growth and repair.