Intrinsic factor is a protein that helps your intestines absorb vitamin B12. It is made by cells in the stomach lining. Intrinsic factor binds to vitamin B12. After attaching, intrinsic factor and B12 travel to the intestines to be absorbed into the bloodstream. Vitamin B12 is needed for red blood cells to form and grow.
The Role of Antibodies in Giving Spuriously High B12 Measurements
Atrophic Gastritis and Pernicious Anemia is Often Associated with Thyroid Disease
Vitamin B12 Declines with Age Due to Gastric Dysfunction and is NOT a Normal Consequence of Aging
THE Major Genetic Risk Factor Mitigated by Choline Supplementation
Urinary MMA is a Superior Test For Detecting B12 Deficiency, and for Good Reason.
The MMA Test Teaches a Lot About Why B12 is So Important for Energy