The short version
An early experiment in five healthy volunteers compared intravenous GRF fragments, including GRF 1–29, and found a short-term growth hormone response.
An investigational profile is not an endorsement or a finding of safety.
Names you may see
Compound names, research identifiers, brand names and informal shorthand serve different purposes.
- Sermorelin
- Entry name · The name used for this encyclopedia topic.
No additional name variations have been documented for this entry yet. This is not a claim that none exist.
Similar names do not establish identical ingredients, molecular variants, product quality or interchangeable preparations. A blend nickname may describe different formulas.
Things worth checking
What should be clarified before interpreting claims?
An acute hormone response is not proof of muscle growth, fat loss, improved ageing or long-term safety. This early GRF 1–29 experiment does not evaluate every current sermorelin preparation.
Identity and evidence scope · Stimulation of growth hormone secretion with human growth hormone releasing factors ↗
Does historical approval cover a present preparation?
Geref had FDA approvals that were withdrawn in 2009. FDA later found that discontinuation was not for safety or effectiveness reasons. That history does not grant approval to a currently compounded or research preparation.
Historical approval versus present product status · FDA Federal Register notice, 2013 ↗
Questions to bring to a clinician or pharmacist
- Which findings apply to my goal and medical history?
- Could my medicines, supplements, or other compounds change the assessment?
- What monitoring, if any, would inform a decision—and what symptoms would need evaluation?
Monitoring is individual. Normal bloodwork does not establish that a compound or preparation is safe.
Clinical research
An acute hormone response is not proof of muscle growth, fat loss, improved ageing or long-term safety. This early GRF 1–29 experiment does not evaluate every current sermorelin preparation.
Research terms in everyday language ↗
This is a bounded context overview, not a completed clinical literature appraisal. The linked source has the scope stated here; related-compound findings are not evidence for this preparation.
Read findings in the context of the exact product or preparation, the people studied, and the outcome measured. These draft profiles are starting points, rather than complete systematic reviews.
Community research
Structured community reports can help identify questions worth studying. They are considered separately from controlled studies, with their limitations kept visible.
No community reports published yet.
This profile has no published community dataset. We do not infer a trend or a benefit from missing reports.
How community research will work ↗What we will document about community advice
- The advice
- What people recommend, with dated sources and the scope of the discussions examined.
- The reasoning
- Why contributors believe it helps, without treating that explanation as an established mechanism.
- The evidence
- What supports the claim, contradicts it, or has not been tested.
- The cautions
- Possible downsides, conflicting experiences, and questions for a clinician or pharmacist.
No recommendation or community consensus is established by this framework. Descriptions of how common advice is will need documented source coverage.
A closer look
- Classification
- A growth-hormone-releasing hormone fragment studied for stimulating pituitary growth hormone release.
- Name variations
- Names you may see and important distinctions
- Source type
- Original research · published abstract
- Reference jurisdiction
- Research context; approval is product- and country-specific
Interpret the source in the context of the preparation and route it discusses. A regulatory notice and a controlled clinical trial answer different questions.
This first design edition reserves space for study-by-study summaries, definitions, and technical references as each profile receives editorial review.
Go to the source
Study cards identify whether the summary uses an abstract, full text, or an agency assessment. Follow the linked sources for their original context.
Source reference · Checked 8 November 2026 · Opens in a new tab
The 2013 notice records withdrawal of the original approvals in 2009 and a finding that removal from sale was not for safety or effectiveness reasons.
For athletes: competition rules are a separate check ↗