Celiac Disease

What are the nutritional consequences?

A number of vitamin and mineral deficiencies may develop due to intestinal malabsorption in untreated CD. Iron is the most common deficiency and therapeutic doses of iron may be needed to replenish stores in newly diagnosed celiacs. Other nutrients that are often affected include folate, calcium, vitamin A, vitamin D, vitamin K, vitamin B6, magnesium, and vitamin B12. Deficiencies of these nutrients are responsible for some of the long-term consequences of untreated CD. For example, long term deficiencies of calcium and vitamin D contribute to the decreased bone density and osteoporosis often seen with CD. Vitamin and mineral supplements may be necessary, especially during the first year after diagnosis, to treat and/or prevent deficiencies. Check with your gastroenterologist or registered dietitian.

Once your gut has totally healed, absorption of most nutrients should return to normal. Avoid long term high doses of vitamins or minerals without medical approval, as certain nutrients such as iron can be harmful if taken in large amounts.