ForumInjection Technique

Can I inject GHK cu and Sermorelin around the same time?

5 replies4 peopleJan 8, 2026☆ Follow
Summary

How should GHK-Cu and Sermorelin injections be timed relative to each other and to meals or sleep?

Users report spacing the two injections by 20-30 minutes as a precaution. GHK-Cu has flexible timing with suggestions for either morning or evening, while Sermorelin is consistently recommended at night before bed to align with natural hormone pulses. One participant notes the value of separation to identify which compound might trigger a reaction. Another mentions reading about an empty stomach requirement for Sermorelin while also consuming casein protein before sleep.

What this discussion establishesWhere people disagree

Whether GHK-Cu requires any specific timing at all versus being completely flexible

Still open

How to reconcile an empty-stomach requirement for Sermorelin with drinking casein protein before bed

Nothing here is advice.

5 replies · 4 people
GreenBeacon34archiveopening postJan 8

Just want to be certain nothing goes wrong with this.

ClearBeacon24archiveJan 8

I separate the shots by about twenty to thirty minutes.

CopperSignal68archiveJan 8

From what I know GHK-Cu does not need specific timing. Some sources suggest morning and others evening for recovery. Sermorelin is different and needs to be an evening injection before bed since it triggers a hormone pulse that lines up with the body's natural release right after sleep.

WarmAlder92archiveJan 8
↳ replying to @ClearBeacon24

That way at least you would know which one triggered the anaphylactic shock.

GreenBeacon34archiveJan 9
↳ replying to @CopperSignal68

I also saw that it should be injected on an empty stomach. I drink casein protein before sleep.

CopperSignal68archiveJan 9
↳ replying to @GreenBeacon34

That matches what I have researched. It is more critical for Sermorelin to wait hours after the last meal and inject right before bed while GHK-Cu is less strict.

Related discussions

Add your experience

If you have tried it, this topic is still open. Sign in to reply — it takes a minute.