what does ghk-cu do All About Peptide GHK-Cu: The Copper Peptide for
Description
Growth hormone releasing peptides (GHRPs) The entire class of GHRPs is prohibited

Rare adverse effects specific to cyanocobalamin may include mild transient diarrhea, particularly with initial doses, and very rarely, allergic reactions in sensitive individuals
Advanced Protocol: For severe or chronic injuries

The only time I have heard of this insomnia and vivid dreams is somebody not too long ago mentioned taking another B vitamin twice a day which caused them insomnia and vivid dreams, I not entirely sure but it might have been B6
