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More specialized markers such as methylmalonic acid or homocysteine, which can clarify borderline cases, also take weeks to shift
Make sure youre covered on that front, either via diet, supplements, or injection, as appropriate for your situation
You must obtain a prescription from a doctor whose scope of practice allows them to prescribe drugs (MD, DO, ND/NMD) or a nurse with prescription rights who is under the direct supervision of a physician
However, deficiency is quite common , particularly among vegetarians, older adults, and people with certain digestive conditions
What to ask your clinic checklist (the questions that separate hype from medicine) If a clinic (or protocol) is credible, they should be comfortable with these questions: What is the specific diagnosis or goal this stack addresses
Journal of Agricultural and Food Chemistry
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