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Sermorelin vs Ipamorelin

GHRH vs GHRP — two growth-hormone-support peptides, compared.

Medically reviewed by Charles Kamen, MD, board-certified neurologist

Sermorelin and Ipamorelin are both studied in the context of growth hormone support, but they belong to different peptide classes and act on complementary pathways — which is why they are sometimes used together.

This is an educational comparison. Any growth-hormone peptide protocol is designed and supervised by Dr. Charles Kamen, MD after a medical evaluation.

SermorelinIpamorelin
Peptide classGHRH analogGHRP (growth-hormone-releasing peptide)
MechanismSignals the pituitary via GHRH pathwayStimulates GH release via a separate pathway
SelectivityGHRH-basedConsidered relatively selective
Combined useSometimes paired with a GHRPOften paired with a GHRH analog (e.g., CJC-1295)
FDA statusNot FDA-approved for this useNot FDA-approved

Bottom line: Sermorelin is a GHRH analog; Ipamorelin is a GHRP. They act on complementary pathways and are sometimes considered together. The right approach is determined by a physician after evaluation.

More on SermorelinMore on Ipamorelin

Frequently Asked Questions

What is the difference between sermorelin and ipamorelin?

Sermorelin is a GHRH analog and Ipamorelin is a GHRP — they act on complementary pathways to support growth hormone. Which is appropriate, or whether they are combined, is determined after evaluation.

Are they used together?

A GHRH analog and a GHRP are sometimes considered together (for example CJC-1295 with Ipamorelin). Whether a combination is appropriate is a physician decision.

Are these FDA-approved?

They are not FDA-approved for these uses. They may be considered when medically appropriate, after evaluation and under physician supervision.

How do I get started?

Book online or call (702) 808-2650 to schedule your evaluation in Las Vegas.

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Which one is right for you?

That is a medical decision — and exactly what the $88 evaluation is for. Dr. Charles Kamen, MD reviews your labs, history, and goals and recommends the option that fits you.

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