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Vitamin B12 supplements can help treat or prevent a vitamin B12 deficiency, which can be serious and Not everyone needs to take a vitamin B12 supplement, as However, healthcare professionals may recommend vitamin B12 supplements for certain populations, including: people following a vegan diet older adults people who have had gastrointestinal surgery people who have nutrient absorption issues people with dietary restrictions People taking certain long-term medications, such as metformin and proton pump inhibitors, may also benefit from a supplement, as these medications can affect absorption of vitamin B12
The human body does not make vitamin B12
Bacteriostatic water is more universally compatible
Nature 464 , 121125 (2010)
A vegan diet makes it more difficult to get enough minerals and nutrients like calcium, creatine, iron, K2, and B12 (also known as cobalamin) simply because they are usually found in animal products
