The varieties of language you use in different areas of your life are known as speaking or writing styles. Some particularly specialized styles, such as those used in the courtroom, or poetry, or the operating room, are known as registers.
The United States National Institutes of Health recommends testing vitamin A levels in people with celiac disease at diagnosis. This is because vitamin A deficiency is common in celiac disease. Deficiency can result from incomplete digestion, absorption, or metabolism. Normal absorption of vitamin A first requires digestion, or releasing, from food protein in the stomach.
B vitamins. The eight B vitamins are essential for the production of red blood cells, heart and nerve function, and for a healthy pregnancy. Like the other nutrients, B vitamins may be poorly absorbed with celiac disease. The bigger problem is the nutrient gap between gluten-free and regular products.