Whilst injections bypass gut absorption, conditions like active Crohn's disease or coeliac disease may cause increased metabolic demands that could influence how quickly B12 is utilised
For example, individuals with NAFLD exhibit increased intestinal permeability and prevalence of small intestine bacterial overgrowth, and these factors are associated with the severity of hepatic steatosis 19
Genome Res
Initial blood work is recommended to confirm whether a patient is genuinely deficient in B12 and needs supplementation, or whether another underlying issue may be affecting energy, weight, or metabolic function
Manufacturer Supply AHK-Cu (Copper Peptide) Generally, when we say copper peptide, we refer to GHK-Cu, which is also called blue copper peptide/tripeptide-1 copper/blue copper peptide
At first, you might need injections often to quickly get B12 levels up