For treating a deficiency, injections are usually given frequently at the start, for example, several times per week or every other day for a couple of weeks, to quickly build up body stores
and c) irregular dietary patterns), reduced bioavailability (impairment of the intrinsic factor-mediated absorption pathway, often due to the widespread and prolonged use of proton pump inhibitors), and malabsorption syndromes
Association Between Folate and Health Outcomes: An Umbrella Review of Meta-Analyses
The decision to get B12 injections should be guided by lab results, honest risk-benefit discussions with a qualified provider, and clarity about whether you are treating a diagnosed deficiency or pursuing an elective wellness service
IET Conference Proceed
You can get a bottle of 100 for under $10, at just 10 cents a serving