Interpretation of B 12 Status After a Roux-en-Y Gastric Bypass
A 37-year-old woman with a history of depression and Roux-en-Y gastric bypass 16 years earlier presented with chronic fatigue, weight loss, irregular periods lasting 7 to 10 days, a vitamin B12 level of 149 pg/mL, and an iron level of 13 µg/dL. She reported a daily total calorie intake of less than 500 kcal and less than 20 g of protein. How do you interpret these results?
Source: JAMA - Journal of the American Medical Association - Category: General Medicine Source Type: research
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