For a large number of people, the answer is a resounding yes
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When considering the value of increasing B12 levels: Functional lab testing for serum B12, MMA, Homocysteine, and if possible Holotranscobalamin II can help identify a deficiency Look at dietary sources and for vegans or vegetarians who are willing to have some shellfish, consider a weekly serving or two of clam Consider B12 injections and/or supplementation if there is an absorption issue or if there is a medication being used that is depleting levels Look for methylcobalamin or hydroxocobalamin for supplements and/or injections and avoid cyanocobalamin because of trace amounts of cyanide present in cyanocobalamin Work with a functional medicine practitioner to find underlying root causes for why B12 levels are not sufficient and correct the root causes Want help with your health
This educational page outlines a once-daily subcutaneous approach with a dilution chosen so doses land on easy-to-read insulin-syringe marks
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