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large doses might diminish the effectiveness of antidiabetic medications (like insulin, metformin, or sulfonylureas)
According to Harvard Health Publishing, there is no solid scientific evidence that getting enough vitamin B12 can prevent health conditions like heart disease, Alzheimers disease, infertility, eczema, and fatigue
Bottom line : Unless youre truly deficient, a B12 injection probably wont give you lasting energy or help you lose weight
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