Together with B-vitamin fortified food (e.g., cereal, nutritional yeast) and supplements, these foods might contribute, though modestly, to prevent vitamin B 12 deficiency in individuals consuming vegetarian diets
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So the goal of the B12 component is correction and prevention: keeping levels from dropping during treatment, which can in turn help offset the fatigue, brain fog, and irritability that may otherwise show up around weeks 4 to 8 of GLP-1 treatment
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Additionally, the treatment altered the levels of certain important molecules within the cells, suggesting changes that could inhibit cancer progression
Your GP or healthcare professional will usually prescribe B12 injections in specific scenarios where rapid or guaranteed absorption is necessary