Growth Hormone

Sermorelin

One of the earliest GHRH analogs, historically used to assess GH function.

What is Sermorelin?

Sermorelin is a GHRH analog consisting of the first 29 amino acids of growth-hormone-releasing hormone. It has a long clinical history, having been used diagnostically to evaluate growth-hormone secretion.

Also known as: GRF 1-29, GHRH 1-29

Read the in-depth Sermorelin guide

How Sermorelin is studied

Sermorelin consists of the first 29 amino acids of GHRH — the active core of the hormone. It stimulates natural growth-hormone secretion and has a long clinical history, having been used diagnostically to evaluate pituitary growth-hormone function.

Commonly researched for

Growth hormone supportSleep qualityAge-related GH decline

Typically stacked with

Ipamorelin

Research status

Historical clinical use; well-characterized pharmacology.

Important considerations

Endocrine-active. Should only be considered under medical supervision.

View published research on PubMed

Sermorelin — frequently asked questions

Supporting the body's own growth-hormone production, with interest in sleep quality and age-related GH decline. It has historical diagnostic use.

Both are GHRH analogs; CJC-1295 is engineered for a longer duration of action. Both are endocrine-active and should be used under medical supervision.

It is well characterized from clinical use, but any growth-hormone-axis compound carries endocrine considerations and requires professional oversight.

This page is for educational purposes only and is not medical advice, a diagnosis, or a recommendation to use any compound. It contains no dosing or purchase information. Always consult a licensed healthcare professional before considering any peptide.