Vitamin B 12 deficiency can develop for the following reasons: Absence of intrinsic factor, also called pernicious anemia: Intrinsic factor is a protein secreted by cells of the stomach lining
They are often recommended for individuals who struggle to absorb B12 from food or supplements, such as those with certain medical conditions or dietary restrictions
It is found in the blood of most mammals and is particularly important in regulating the growth, development, and death of vascular endothelial cells, the cells that line the inside of blood vessels
MCAS is a condition where mast cells inappropriately release inflammatory mediators, and it can present with a wide and confusing array of symptoms including anxiety, heart palpitations, headaches, hives, flushing, skin rashes, GI issues, and more