To absorb vitamin B12 effectively, your body requires an intact stomach and gut, a well-functioning pancreas, and sufficiently high levels of intrinsic factor, a protein that binds to vitamin B12 in the stomach (1)
Hydroxocobalamin is a form of Vitamin B12
More serious risks are uncommon, but its essential to work with a healthcare provider, especially if pregnancy or cancer is a concern
Use of peptide and peptide-analog drugs in recreational and professional sport and bodybuilding: a critical review
Since both vitamins help to synthesise transmitters responsible for regulating mood and cognitive processes, you can look out for improvements to your mental clarity, reductions in the risk of depression, and overall improvements to your cognitive functioning
It does not constitute medical advice, diagnosis, or treatment recommendations