Which should you choose? Here's what you need to know.
Hexarelin and IGF-1 LR3 are both growth hormone peptides, but they work differently. One of the strongest growth hormone releasing peptides available. Also studied for potential cardioprotective effects. 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 19 Sep 2026 Peptide Compare tracked 19 vendors selling Hexarelin, cheapest in stock $6.60 per mg at AMC Essentials, and 45 selling IGF-1 LR3, cheapest $20.83 per mg at Bio Pepz.
One of the strongest growth hormone releasing peptides available. Also studied for potential cardioprotective effects.
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.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 19, 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.