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Intrinsic Longevity
Wellness & vitality

Ipamorelin

A lab-made peptide that nudges the pituitary gland to release growth hormone in its normal on-and-off pattern.

Class
Growth hormone releaser
Type
Lab-made peptide
Category
Wellness & vitality
FDA status
Not FDA-approved
Overview

What it is

Ipamorelin is a lab-made peptide that switches on ghrelin receptors in the pituitary gland, a small gland at the base of the brain. Those receptors help control when the body releases growth hormone.

Ipamorelin came out of drug research in the 1990s aimed at raising growth hormone without the side effects of earlier compounds in the same family.

Clinics often name it alongside CJC-1295 because the two reach the pituitary gland through different doors. That pairing is a naming convention, not evidence that the two belong together.

It never made it through to approval as a medicine. The published human data is small and short-term.

Benefits

What it supports

  • Supports lean muscle and training recovery by working through the growth hormone system
  • Supports body-composition goals that involve how the body uses fat for fuel
  • Supports sleep quality and deep, restful sleep as part of recovery
  • Supports energy and healthy-aging goals
Mechanism

How it works

1

Your pituitary gland releases growth hormone in bursts, mostly at night. Two separate signals control those bursts.

2

Ipamorelin works on the ghrelin receptor, one of those two signals. Ghrelin is better known as the hunger hormone, and the same receptor also helps trigger growth hormone release.

3

Because it prompts your own gland rather than adding hormone from outside, the natural burst pattern is largely kept. Growth hormone then raises IGF-1, the growth factor that does much of the downstream work.

4

Earlier compounds in this family also pushed up cortisol and prolactin. Ipamorelin was designed to avoid that, which is why it is often called selective.

Context

Who it's for

Adults focused on lean muscle and training recovery through the growth hormone system

People interested in body composition who want to know how these compounds actually work

Adults looking at sleep quality and overnight recovery

Anyone comparing ghrelin-pathway compounds with CJC-1295 or tesamorelin

Landscape

In the landscape

How this compound compares to related options in the wellness landscape.

  • CJC-1295 (without DAC)

    Copies the brain's growth hormone signal, so it reaches a different receptor than ipamorelin. That is why the two are often named together.

  • Tesamorelin

    Also copies the brain's signal, but it is FDA-approved for one specific condition. Approval is the main difference.

  • CJC-1295 / Ipamorelin

    A clinic name for using both together. They stay two separate molecules, and combining them is a provider's call.

Questions

Ipamorelin FAQ

Good to know

Regulatory & considerations

Ipamorelin is not FDA-approved. That means the FDA has not reviewed it for safety or effectiveness for the uses described here. Human studies are small, and long-term effects have not been established.

Peptides in our shop are sourced from US-licensed manufacturers.

Ipamorelin is not FDA-approved, and the FDA has flagged compounded peptides in this family as an area still under review.

Raising growth hormone can affect blood sugar and can cause fluid retention or joint aches. Anyone with a history of cancer needs a careful conversation first, since growth signals are involved.

It works on the ghrelin receptor, which is a different target than CJC-1295 or tesamorelin. Same system, different doors.

Shop Ipamorelin

See current pricing and availability for Ipamorelin in our shop. If a medical evaluation is needed, a licensed provider guides you through it.

Individual results vary. General information on this site is not a substitute for professional medical advice.