Gupta cautioned those with Crohn's not to self-dose with vitamin D. "Discuss your vitamin D status with your primary gastroenterologist to determine whether or not vitamin D supplementation is indicated in your particular situation," she said.
White said supplements are inexpensive and safer than too much sun exposure. A daily intake of 2,000 IUs is considered safe, he said. The safe upper limit for adults is 4,000 IUs, according to the NIH.
The data and conclusions of research presented at medical meetings should be viewed as preliminary until published in a peer-reviewed journal.
To learn more about vitamin D, visit the U.S. National Institutes of Health.
SOURCES: Tara Raftery, research dietitian and Ph.D. candidate, Trinity College, Dublin, Ireland; John White, Ph.D., professor, physiology, McGill University, Montreal, Canada; Neera Gupta, M.D., co-chair, Crohn's & Colitis Foundation of America, pediatric affairs committee, and assistant professor, pediatrics, New York-Presbyterian Morgan Stanley Children's Hospital/Columbia University Medical Center, New York City; May 17, 2013, abstract, Digestive Disease Week, Orlando, Fla.
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