MGF vs Tesamorelin + Ipamorelin
Which should you choose? Here's what you need to know.
The short answer
MGF and Tesamorelin + Ipamorelin 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 optimization stack combining two complementary GH secretagogues. Tesamorelin provides GHRH stimulation while Ipamorelin adds a clean GH pulse. Compare vendor pricing and availability below.
On 19 Sep 2026 Peptide Compare tracked 22 vendors selling MGF, cheapest in stock $11.80 per mg at Biotech Peptides, and 14 selling Tesamorelin + Ipamorelin, cheapest $6.79 per mg at Good Science.
MGF
Growth HormoneMechano Growth Factor, a splice variant of IGF-1 produced in response to muscle damage. Studied for muscle repair and growth.
Tesamorelin + Ipamorelin
Growth HormoneA growth hormone optimization stack combining two complementary GH secretagogues. Tesamorelin provides GHRH stimulation while Ipamorelin adds a clean GH pulse.
Price & 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
Tesamorelin + Ipamorelin
$28.99
Starting from
$60.00
$18.48
Avg. price per mg
$19.13
22
Vendors selling it
14
19 options
In stock now
11 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.