Had RNY in 1987 (39 yrs ago). Today have low protein, b-12, b-1, b-6, anemia, d-3. No amt of supplements help. I am 76 and thinking of a complete reversal. I have lost most ability to live well. One physician thought I might have too short a bowel for good absorption of nutrients. Please weigh in and let me know if you had a revision or reversal and your story about it. Thanks.