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

Compare · GH secretagogue

Sermorelin vs Tesamorelin

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

SermorelinTesamorelin
Evidence 8/10 8/10
ClassGH secretagogueGH secretagogue
SummarySermorelin is a synthetic GHRH fragment that nudges the pituitary to release growth hormone; human data is old and thin, with no modern anti-aging RCTs.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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Sermorelin

Sermorelin is one of the oldest peptides in the "growth hormone" group, and unlike most of its cousins it actually held FDA approval at one point. People often lean on that history to suggest it does more than the evidence really backs up.

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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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