Vitamin B12 deficiency is Symptoms of B12 deficiency include: rapid breathing shortness of breath headaches palpitations or fast heart rate indigestion, diarrhea, or loss of appetite blurry vision weakness or tiredness mouth ulcers or irritation cognitive changes, such as difficulty with memory, judgment, or understanding infertility Contact your doctor to discuss injections or supplements if you experience any conditions or risk factors related to vitamin B12 deficiency
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Fatal hypokalemia may occur when severe megaloblastic anemia is treated intensively with vitamin B12, as a result of increased erythrocyte potassium requirements
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Many people report feeling more energized within just a few days of their injection, helping them power through workouts and stay active all day long
While generally safe, they should be used under medical supervision to avoid potential side effects or interaction.