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doi: 10.1038/s41419-018-0295-5 9 OliynykGRuiz-PrezMVSainero-AlcoladoLDzieranJZirathHGallart-AyalaHet al

Nausea and vomiting

If you have a deficiency, restoring your B12 levels will help you feel more energetic over time as your metabolism and red blood cell production improve

Aging and B12 Deficiency Vitamin B12 deficiency can be caused by a number of factors, including a vegetarian diet, weight loss surgery, celiac disease and Crohns disease
