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They saved some cash on syringes and the nurses got to do more important activities they did routine monitoring of blood pressure
Individuals at risk of vitamin B12 deficiency include older adults, people with gastrointestinal disorders, those who have had gastrointestinal surgeries, individuals on a strict vegan diet, individuals who take metformin for blood sugar control, and people taking proton pump inhibitors for chronic heartburn
It is not on the FDA 503A bulk drug substances list
Non-animal sources include fortified or enriched milk substitutes, grains, and nutritional yeast
Scientists are studying vitamin B12 to understand how it affects health
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