are there any side effects from having b12 injections of Vitamin Injection Feeling worse after B12 Injection:

Because NNMT consumes nicotinamide, its inhibition theoretically increases the availability of nicotinamide for entry into the NAD + salvage pathway via nicotinamide phosphoribosyltransferase (NAMPT)

Our approach includes: Clinical evaluation before prescribing : We assess your health history, current medications, lab results, and treatment goals before recommending any peptide therapy

Liquid vitamin b6 and b12 is a simple solution for everyone who finds it uncomfortable swallowing pills

But if the body has genetic mutations then these conversions dont happen well at all and the effect is the body does not get the absorption or use of the nutrient

doi: 10.1038/s41586-020-2352-3