Sermorelin

FDA Approved

Sermorelin (GRF 1-29)

Category
Growth Hormone
Aliases
GRF 1-29, Geref
Administration
Subcutaneous injection

How it works

  1. Binds GHRH receptors on pituitary somatotrophs

    It attaches to the same pituitary cells that make growth hormone and tells them to release it.

  2. Stimulates natural, pulsatile growth hormone release

    It works with your body's natural release pattern rather than flooding your system all at once.

  3. Preserves the body's normal negative-feedback regulation of growth hormone, unlike direct HGH injection

    Because it works through your own pituitary gland, your body can still naturally regulate how much growth hormone it makes — unlike injecting HGH directly, which can shut down your body's own production.

Result

Naturally elevated growth hormone levels that follow the body's own release pattern, supporting better sleep, recovery, and body composition over time. People often report deeper sleep and waking up feeling more rested, with gradual improvements in body composition over months.