Quick reference
Sermorelin questions
Some answers fit on a card. Others need a longer look at the study population, the drug name or the length of follow-up.
What is Sermorelin used for?
Its historical approved U.S. use concerned childhood growth-hormone deficiency; it was also used to test pituitary GH release. The pediatric review describes both roles. Broader adult wellness uses exceed that former indication and have limited rigorous long-term support.
Does Sermorelin raise IGF-1?
It did in the 14-day older-men experiment, through stimulation of the GH / IGF-1 axis. IGF-1 is produced mainly by the liver in response to GH. The much-quoted 117% increase came from the tesamorelin cognition trial, so the two figures need separate entries.
How quickly did the hormone response appear?
The intravenous pharmacokinetic study found a GH response within minutes and elevation for about 3 hours, alongside a plasma half-life of about 10-12 minutes. Those times describe blood measurements. The half-life plate puts the separate time measurements side by side.
Does Sermorelin improve sleep?
GHRH biology connects sleep and hormone release, and community accounts describe both deeper sleep and worse nights. Those accounts are anecdotal, not clinical evidence of a Sermorelin sleep benefit. I remain curious about the disagreement rather than treating the favorable stories as the default. The reports entry describes that mixed picture.
Does Sermorelin affect testosterone?
The older-men Sermorelin study measured the GH / IGF-1 response. It does not establish a direct testosterone benefit. Growth-hormone and gonadal-hormone questions require their own measurements; an increase in one measured system cannot fill in an unmeasured result in another.
Does Sermorelin build muscle or cause weight loss?
Robust muscle-building or weight-loss evidence for healthy adults is lacking in this record. The controlled older-adult cognition trial reported a body-fat change with tesamorelin. The editorial on secretagogues for aging cautions against turning the physiological rationale into established anti-aging benefit.
Which adults were followed longer?
The longer pediatric study provides follow-up in children with GH deficiency, while the older-men experiment lasted 14 days. Adult wellness use needs its own longer-term efficacy and safety evidence. To my mind, borrowing reassurance from a childhood deficiency population leaves the central adult question unanswered.
Is Sermorelin FDA-approved today?
The formerly approved branded medicine left the U.S. market in 2008 for commercial reasons. The compounded sermorelin supplied today has no FDA approval. Sermorelin is treated as a Category 1 bulk substance under the FDA's interim Section 503A policy, whose final guidance was issued in January 2025. The history on the home page sets out the distinction.
Do the cancer papers establish a treatment?
The glioma study used computational scoring of patient-derived gene-activity data to flag sermorelin as a candidate. Nobody received sermorelin in that experiment. Other GHRH-analog development programs involve different molecules and approaches. They establish research directions rather than clinical cancer care with sermorelin.
Which Sermorelin side effects were reported?
The effects entry covers irritation, glucose, antibodies, theoretical cancer concerns, product quality and the prohibition in sport. The dosage archive records amounts used in published studies. It offers no personal schedule, and a study report cannot replace an assessment by a clinician.