B-12 (Methylcobalamin) B12 plays a major role in the function of the nervous system, red blood cells, prevention and treatment of anemia, methylation reactions, and immune system regulation
This means that it may be possible to modulate ADO-generating ectoenzymes pharmacologically to improve CIK cell performance
J Nutr Sci Vitaminol (Tokyo)
The major difference being that serum vitamin B12 is normal or elevated, which is paradoxical, and so the association with vitamin B12 deficiency is almost always missed

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Symptoms : Pain or burning during urination, frequent urination, abdominal pain, and lower back pain