Independent reference & toolkit 100 compounds graded · Last reviewed June 2026

Compare · GH secretagogue

Ipamorelin vs Tesamorelin

Both are gh secretagogue compounds. Here's how they line up on the evidence — graded the same way.

IpamorelinTesamorelin
Evidence 6/10 8/10
ClassGH secretagogueGH secretagogue
SummaryA selective growth-hormone-releasing peptide with early human safety data but a failed efficacy trial; never approved and banned in sport.Tesamorelin is an FDA-approved GHRH analogue with solid RCT evidence for shrinking visceral fat in HIV-associated lipodystrophy, but little proof outside that group.
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Ipamorelin

Ipamorelin is a lab-made peptide (a short chain of amino acids, the building blocks of proteins) that briefly nudges up your body's growth hormone (GH). It has been tested in people, but the one trial that checked for a real-world health benefit didn't pan out, and it has never been approved for…

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Tesamorelin

Tesamorelin, sold as Egrifta, is one of the few peptides in this space that actually has strong, FDA-grade human evidence behind it. The catch: almost all of that evidence comes from one specific group of patients. And a lot of the way the compound gets marketed elsewhere goes well past what those…

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