MGF vs Myostatin
Which should you choose? Here's what you need to know.
The short answer
MGF and Myostatin are both growth hormone peptides, but they work differently. Mechano Growth Factor, a splice variant of IGF-1 produced in response to muscle damage. Studied for muscle repair and growth. Compare vendor pricing and availability below.
MGF
Growth HormoneMechano Growth Factor, a splice variant of IGF-1 produced in response to muscle damage. Studied for muscle repair and growth.
Myostatin
Growth HormonePrice & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 19, 2026.
MGF
Myostatin
$28.99
Starting from
$86.27
$18.48
Avg. price per mg
$93.42
22
Vendors selling it
3
19 options
In stock now
0 options
9.1/10
Top trust score
4.0/10
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Our top-rated vendor for each, based on trust scores, purity testing, and price.
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Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.