MK-677 vs Tesamorelin + Ipamorelin
Which should you choose? Here's what you need to know.
The short answer
MK-677 and Tesamorelin + Ipamorelin are both growth hormone peptides, but they work differently. Also called Ibutamoren. Taken orally rather than injected, it tells the body to release more growth hormone. Technically a secretagogue, not a peptide, but sold alongside them everywhere. 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 8 vendors selling MK-677, cheapest in stock $2.00 per mg at Soma Chems, and 14 selling Tesamorelin + Ipamorelin, cheapest $6.79 per mg at Good Science.
MK-677
Growth HormoneAlso called Ibutamoren. Taken orally rather than injected, it tells the body to release more growth hormone. Technically a secretagogue, not a peptide, but sold alongside them everywhere.
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.
MK-677
Tesamorelin + Ipamorelin
$59.99
Starting from
$60.00
$7.63
Avg. price per mg
$19.13
8
Vendors selling it
14
9 options
In stock now
11 options
7.0/10
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.