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Best taken with vitamin D and magnesium
US survey data from the NHANES What We Eat in America 2013e16 cohort reported the median vitamin B12 consumption for all adult men of 5.1 mcg and women of 3.5 mcg.95b Using the Estimated Average Requirement (EAR) for adults for Vitamin B12 of 2 mcg,93 less than 3% of men and 8% of women in the United States had inadequate diets using this comparator
Situations or conditions that can cause vitamin B12 deficiency include: You are more likely to develop vitamin B12 deficiency if you have one or more of the following risk factors: Left untreated, vitamin B12 deficiency can cause lasting side effects that affect your nervous system and brain
Local GI Effects: For applications related to gut lining, oral administration may provide direct topical contact with intestinal tissues in theory
