GHRP-6

Cited range Strong appetite signal

ClassGHRP

Standout effect in sourcesHunger

Half-lifeShort

Often contrasted withIpamorelin

What it is

GHRP-6 is a six-amino-acid ghrelin mimetic from the early secretagogue series. It is less selective than later analogs.

Benefits in plain language

What researchers and reference users usually mean when they talk about this compound. These are study themes and common claims — not a promise that it will do this in you.

Similar GH pulse to GHRP-2 with an even louder hunger signal.
Useful in write-ups when the goal was eat-more plus GH. Annoying if the goal was cut.
Same family caveats: water, tingling, appetite, and pituitary over-asking if abused.

If a branded, FDA-approved product exists, that label is the only dose that is actually authorized. Research-chemical vials are a different object.

Mechanism of action

GHSR-1a agonism with notable gastric and appetite effects. GH release occurs alongside more off-axis hormone noise than ipamorelin in the usual comparison tables.

Possible side effects / caveats

Marked hunger, cortisol/prolactin changes, water retention, tiredness in some reports, and local reactions.

Protocol ranges

Source tier	Amount	Frequency / duration	Notes
Cited range	100–300 mcg per pulse	1–3× daily	Common catalog talk