Which should you choose? Here's what you need to know.
GHRP-6 and MGF are both growth hormone peptides, but they work differently. A growth hormone releasing peptide that acts on the ghrelin receptor to stimulate GH release and significantly increase appetite. 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.
On 20 Sep 2026 Peptide Compare tracked 22 vendors selling GHRP-6, cheapest in stock $2.80 per mg at Ruo Bio, and 22 selling MGF, cheapest $11.80 per mg at Biotech Peptides.
A growth hormone releasing peptide that acts on the ghrelin receptor to stimulate GH release and significantly increase appetite.
Mechano Growth Factor, a splice variant of IGF-1 produced in response to muscle damage. Studied for muscle repair and growth.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
Our top-rated vendor for each, based on trust scores, purity testing, and price.
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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.