MGF vs Sermorelin
Which should you choose? Here's what you need to know.
The short answer
MGF and Sermorelin 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. A growth hormone releasing hormone (GHRH) analog commonly prescribed in anti-aging clinics. One of the most established peptides for GH optimization. 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.
Sermorelin
Growth HormoneA growth hormone releasing hormone (GHRH) analog commonly prescribed in anti-aging clinics. One of the most established peptides for GH optimization.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options.
MGF
Sermorelin
$28.99
Starting from
$22.00
$23.20
Avg. price per mg
$10.50
24
Vendors selling it
50
22 options
In stock now
57 options
9.1/10
Top trust score
9.0/10
0
Purity tests on file
0
Ready to buy?
Our top-rated vendor for each, based on trust scores, purity testing, and price.
Some outbound links may earn us a commission. Vendors cannot pay to improve rankings.
Best MGF Vendor
7.0/10
$66.00(5mg)
Best Sermorelin Vendor
7.9/10
$69.99(10mg)
Where does this data come from?
We check vendor prices every day and pull in real purity test results from independent labs — not vendor claims. No vendor can pay to rank higher. See our full methodology.