Which should you choose? Here's what you need to know.
IGF-1 DES and MGF are both growth hormone peptides, but they work differently. A truncated form of IGF-1 missing the first three amino acids. Has a shorter half-life but higher potency than standard IGF-1. 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 3 vendors selling IGF-1 DES, cheapest in stock $28.00 per mg at Ruo Bio, and 22 selling MGF, cheapest $11.80 per mg at Biotech Peptides.
A truncated form of IGF-1 missing the first three amino acids. Has a shorter half-life but higher potency than standard IGF-1.
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.
Some outbound links may earn us a commission. Vendors cannot pay to improve rankings.
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.