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Though there have been no side effects documented from vitamin B12 use from either supplementation or food consumption, you should always check with your doctor prior to beginning supplementation of any type
They have not been reviewed, evaluated, or approved by regulatory authorities for the diagnosis, treatment, cure, or prevention of any disease or medical condition
Its the same with infections! In my medical practice, I see that the children who take Paracetamol get sick much more frequently than the kids whose parents dont give them fever-reducing drugs
Jacob, R
Pure B12 injections work for people with confirmed deficiency correcting deficiency improves energy and exercise capacity, supporting weight loss indirectly