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[114] This functionality is lost in vitamin B 12 deficiency, and can be measured clinically as an increased serum methylmalonic acid (MMA) concentration
News Release December 09, 2014 Round-up of Recent Product Tests by ConsumerLab.com -- Results for B Vitamin Supplements & Energy Drinks, Garlic, NAC (N-acetyl cysteine), Iron and Omega-7 Fatty Acids White Plains, New York, December 9, 2014 In recent months, ConsumerLab.com has published test results for a variety of popular supplements, including B vitamins supplements and energy drinks, NAC (N-acetyl cysteine), iron and garlic
While animal-based foods are naturally rich in vitamin B12, many plant-based foods and breakfast cereals are fortified to help people meet their needs
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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