MGF vs Tesamorelin
Which should you choose? Here's what you need to know.
The short answer
MGF activates muscle stem cells for localized muscle repair after injury. Tesamorelin is an FDA-approved GH peptide that targets visceral fat. Very different use cases.
On 10 Oct 2026 Peptide Compare tracked 22 vendors selling MGF, cheapest in stock $11.80 per mg at Biotech Peptides, and 59 selling Tesamorelin, cheapest $2.80 per mg at Bio Pepz.
MGF
Growth HormoneMGF (Mechano Growth Factor) is a splice variant of IGF-1 that activates satellite cells — your muscle stem cells. It's studied for targeted muscle repair at the injection site after exercise or injury.
Choose MGF if:
You're targeting localized muscle repair or growth at a specific injury site.
Tesamorelin
Growth HormoneTesamorelin is an FDA-approved GHRH analog with clinical data showing significant reduction in visceral belly fat. It works systemically through GH stimulation.
Choose Tesamorelin if:
You want systemic GH benefits focused on reducing belly fat, with the safety profile of an FDA-approved drug.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Oct 10, 2026.
MGF
Tesamorelin
$28.99
Starting from
$15.00
$18.54
Avg. price per mg
$13.39
22
Vendors selling it
59
18 options
In stock now
96 options
9.1/10
Top trust score
9.0/10
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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.