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By middle age, your levels may have already dropped by up to 50%
Conditions that affect the gut, like Crohns disease or celiac disease, can damage the intestinal lining, making it difficult for B12 to pass into your bloodstream
In older adults , particularly those managing multiple health conditions, providers should weigh the benefits of weight loss and improved glycemic control against potential tolerability issues
I have seen this work really well in some people and not well at all and others
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