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This may vary from twice weekly to once every 2-4 weeks (source: The basics of treatment It is not understood why certain patients require more frequent B12 treatment
In addition to serum B12, more accurate markers include methylmalonic acid (MMA) and homocysteine levels , especially for people with MTHFR mutations
PMID 26288227
It simultaneously improves the development of lean muscle
What heart problems can arise from untreated Vitamin B12 deficiency anemia
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