Abstract
Helicobacter pylori (HP) infection causes morbidity in several systems, especially in the gastrointestinal tract. The prevalence of disease is inversely related to social-economic and developmental status. It is more common in the developing than in developed countries. In the countries where social-economic status is low, not only HP infection, but also malnutrition and growth failure have a higher prevalence. According to these data, the relationship of nutrition and HP infection is still a question. Does HP infection affect nutritional status? On the contrary, does nutritional status affect HP infection? If so, how? This review was prepared after searching thoroughly almost all of the publications about relationship between HP infections and micronutrients, especially publications pertaining to childhood, from 1990 to 2009 in PubMed. Some valuable adult and experimental publications were also reviewed. These studies related H. pylori to iron, vitamin B12, vitamin C, vitamin A, vitamin E, folate, and selenium. Published studies reveal some evidence that HP has a negative effect on iron, vitamin B12 and vitamin C metabolism, but its influence on others is not clear.
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