In their paper published in Science Translational Medicine, the group describes how they found a form of B12 deficiency in a patient who had normal levels of the vitamin in their blood ...

Taking iron supplements and acid-reducing medicine together can impact iron absorption, leading to iron deficiency. Vitamin B12 is needed for red blood cell formation and to support nerve cell ...

Vitamin B 12 was found therapeutically as effective ... Army Tropical Research Medical Laboratory and the Department of Medicine, University of Puerto Rico School of Medicine.

of vitamin B 12 by mouth. During the year before admission ... From the Department of Medicine, University of Wisconsin Medical School. Supported by research and training grants from the National ...

"Older people, especially those having certain stomach issues or taking medicine that lowers stomach acid, might need to take a B12 vitamin supplement," he explained. Amelia Ti, a registered ...