Vitamin B12 malabsorption in patients with HIV

Summary This study evaluated blood levels of vitamin B12 in patients with acquired immunodeficiency syndrome (AIDS). 11 patients with AIDS and vitamin B12 malabsorption (poor intestinal absorption of vitamin B12) were investigated. In addition, 15% of 121 patients with AIDS and 7% of 27 patients without AIDS who were HIV-positive had low vitamin B12 levels.…