Growth Hormone
Sermorelin
The oldest of the growth-hormone-boosting peptides, with the longest track record. Often used as a gentler first step before people move to combinations like CJC-1295 and Ipamorelin. Still not well studied for general use beyond specific medical conditions.
Historical (1-29) medicine/research with human endocrine and paediatric growth studies; current wellness applications are much less evidenced.
How well studied
Tier Guide: A = Well studied, B = Some good studies, C = Early evidence & D = Barely studied
Tested in people, but in smaller or fewer studies. A decent picture, just less certain.
UK status
How you could legitimately come across it here, if at all
No authorised UK medicine contains this, and we have no record of a routine UK clinic route. Material sold online is unregulated.
Evidence strength and UK regulatory status answer different questions.
Overview
How it works
Gives the pituitary gland a short, natural nudge to release growth hormone, similar to CJC-1295, just shorter-lived.
A shorter fragment that stimulates natural pituitary GH release, similar concept to CJC-1295 but shorter-acting.
Reported benefits
- Human studies confirm growth-hormone-releasing activity and historical use in selected paediatric growth disorders
- Modern recovery, sleep, fat-loss and anti-ageing benefits have not been established in robust trials
Who it's typically used for
Timeline to results
Safety & UK access
Dosage
No established self-administration dose for wellness use.
Side effects
- Injection site reactionscommon in the historical paediatric clinical use
- Flushingreported in that same clinical use
- Raised IGF-1expected pharmacological effect; long-term consequences in healthy adults unknown
Getting it in the UK
No authorised UK medicine contains this, and we have no record of a routine UK clinic route. Material sold online is unregulated.
Where it turns up
- Not routinely available in the UK
No current authorised UK medicinal product containing sermorelin was identified in this audit. Historical US approval does not imply present UK authorisation.
Not MHRA-licensed; prescribable by a private UK doctor via the unlicensed-medicines route
MHRA: the UK regulator that assesses whether a medicine is safe and works before it can be authorised for use here. Something not being MHRA-licensed does not automatically mean it is illegal, and it does not mean it is safe.
This is background information about UK regulation, not advice about what you can or should obtain.
Evidence & sources
Why this rating?
The A to D rating shown above comes from our earlier editorial review and is still waiting to be migrated into the structured review record below. That is a gap in our record-keeping, not a sign the rating is wrong.
Evidence fingerprint
No route and indication scope has been published for this profile yet, so no fingerprint is shown.
Sources
Structured source audit not yet published for this profile. The references behind this page are being catalogued one compound at a time, and this one has not been through that process yet.
Content freshness
- Last reviewed
- 24 Sept 2026
- Regulatory status last checked
- 21 Aug 2026