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"Biochemical indicators of B vitamin status in the US population after folic acid fortification: results from the National Health and Nutrition Examination Survey 19992000"
Some common symptoms are: Low energy levels Trouble focusing Feeling more irritable Light shortness of breath Getting tired earlier in the day These symptoms can differ for everyone, but if they show up near the end of your dose cycle, increasing the frequency might help
Medication is one piece of the picture
Kore said that the toxicity of vitamin B12 can be treated by giving more hydration orally or through an IV line, depending upon the severity of the symptoms
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