GHRP-2 vs IGF-1 LR3
Which should you choose? Here's what you need to know.
The short answer
GHRP-2 and IGF-1 LR3 are both growth hormone peptides, but they work differently. A potent growth hormone releasing peptide that stimulates GH secretion through the ghrelin receptor. Stronger GH release than GHRP-6 but may increase hunger. A modified version of IGF-1 with an extended half-life due to an arginine substitution. Studied for its potent growth-promoting and anabolic effects. Compare vendor pricing and availability below.
On 20 Sep 2026 Peptide Compare tracked 20 vendors selling GHRP-2, cheapest in stock $2.60 per mg at Eros Peptides, and 45 selling IGF-1 LR3, cheapest $20.83 per mg at Bio Pepz.
GHRP-2
Growth HormoneA potent growth hormone releasing peptide that stimulates GH secretion through the ghrelin receptor. Stronger GH release than GHRP-6 but may increase hunger.
IGF-1 LR3
Growth HormoneA modified version of IGF-1 with an extended half-life due to an arginine substitution. Studied for its potent growth-promoting and anabolic effects.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
GHRP-2
IGF-1 LR3
$14.00
Starting from
$12.00
$4.43
Avg. price per mg
$161.44
20
Vendors selling it
45
14 options
In stock now
38 options
9.1/10
Top trust score
9.1/10
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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.