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The responsible first step in either case is testing, not guessing
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Some common causes of vitamin B12 deficiency include: Autoimmune pernicious anemia Dietary limitations, such as vegetarian or vegan diets Medical conditions that affect absorption, such as celiac and Crohns disease Identifying the specific cause of deficiency can help guide treatment and prevention strategies
Cyanocobalamin acts as a precursor for the bioactive forms of vitamin B12, methylcobalamin, and adenosylcobalamin, which are critical co-factors in DNA synthesis and red blood cell production
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