← Peptide Index

Growth hormone axis and recovery

Sermorelin

The older GHRH analog with a cleaner clinical history.

Sermorelin has a more boring profile than the flashier GH peptides, which is partly why it is interesting. Human GH stimulation data exists, but optimization claims still outrun outcomes.

Evidence grade B
Anecdote grade B
Risk level Low
Human data Moderate

Mechanism

What it probably does

Sermorelin is GHRH 1-29. It stimulates pituitary GH release upstream instead of replacing GH directly.

Claims vs data

Where people get carried away

It can stimulate GH. That does not automatically mean better body composition, better sleep, or slower aging in healthy adults.

Why people use it

  • GH-axis testing
  • sleep
  • recovery
  • IGF-1 support
  • aging clinics

What to track

  • IGF-1
  • fasting glucose
  • sleep quality
  • waist
  • lean mass
  • resting HR

In Short

Sermorelin is plausible. Plausible is not the same as proven useful.

Track IGF-1 and outcomes. Otherwise you are just renting a mechanism.

Kabal angle

If you experiment, make the data impossible to ignore.

Kabal is built for the part most peptide pages skip: tracking the outcome, the dose, the timing, and the biomarkers that tell you whether the story holds up.

Get Kabal for iOS