It can take a few weeks or longer for a person to feel better once they begin treatment for a B12 deficiency
The role of B vitamins in the nervous system B-12, also known as cobalamin, is just one of the B vitamins, which also include B1 (thiamine) and B5 (pyridoxine)
Neelakantan H, Vance V, Wetzel MD, Wang HY, McHardy SF, Finnerty CC, Hommel JD, Watowich SJ. Selective and membrane-permeable small molecule inhibitors of nicotinamide N-methyltransferase reverse high-fat diet-induced obesity in mice. Biochem Pharmacol. 2018 Jul;154:161-171. doi: 10.1016/j.bcp.2018.05.003. Epub 2018 May 5. PMID: 29738706; PMCID: PMC6015571
Why starting low matters The escalation protocol is not arbitrary
Proper medical oversight during administration minimizes these risks
As with all aspects of our health, the most important thing is to maintain a balanced diet and to talk to your doctor if you have any concerns