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vitamin b12 injections and headaches Headache After Shot: Why It Happens & What to Do Vitamin B12 Injection – Manufacturer
Description
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B12 is a water-soluble vitamin your body uses to: Make red blood cells (which carry oxygen to your tissues) Keep your nervous system functioning properly Help your body turn food into usable energy Your body can't make B12 on its own you get it from animal-based foods (meat, eggs, dairy) or supplements
Moderate to Severe Deficiency: For moderate to severe deficiencies, the dosage may increase to 1,000 mcg several times a week initially, followed by a maintenance dose

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