Researchers are investigating probiotics, prebiotics, or both for intestinal protection, including benefits for patients with IBD. Foods and supplements containing these substances are available in the US and overseas. To date, however, no studies have determined any clear benefits on any specific organism or formulation.
Vitamins and Other Supplements
Vitamins. Deficiencies of vitamins A, C, E, B12, and folate (a B vitamin) may result from malabsorption. In general, vitamin supplements may be recommended for everyone with IBD, particularly for children to avoid growth retardation. Vitamins A, C, and E are antioxidants, which protect the body against damaging particles. Folic acid supplements are particularly important for patients who must restrict fresh fruits and vegetables and for those taking sulfasalazine. Folate deficiencies may contribute to the increased risk for colon cancer in patients with ulcerative colitis. Monthly injections of vitamin B-12 may be necessary. Vitamin D is necessary for bone protection. Because some vitamins, such as A and D, can be toxic in high doses, patients should discuss specific dosages with their doctors.
Mineral Supplements. Supplements of calcium, magnesium, zinc, selenium, and iron may be needed to offset deficiencies in patients with severe IBD. Zinc is specifically important for gastrointestinal health. Calcium and magnesium are critical for health and strong bones. Selenium is a potent antioxidant. Iron supplements may be required for anemia. A doctor should advise patients carefully on the correct dosages since minerals can be toxic in high levels.
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