thaliana lines (Yang et al., 2019)
Common adverse effects include gastrointestinal symptoms, particularly nausea (30-50% of patients), vomiting, diarrhea, and constipation
In addition, the British National Formulary offers the following advice: Important: When prescribing an antipsychotic for administration on an emergency basis, the intramuscular dose should be lower than the corresponding oral dose (owing to absence of first-pass effect), particularly if the patient is very active (increased blood flow to muscle considerably increases the rate of absorption)
There are no documented interactions between GHK-Cu and GLP-1 receptor agonists like Semaglutide or triple-action compounds like Retatrutide
In rare cases, some people may have an allergic reaction
Side effect profile of combination therapy Combining two peptides does increase side effect burden