Introduction:

celiac patients suffer deficiencies before and during their maintenance of a gluten-free diet. This is due to malabsorption, associated with the disease, and to non-enriched, mostly processed foods high in saturated fats and deficient in the minerals typically present in wheat.

Objectives:

the main objective of this review was to determine the molecular basis of celiac disease and the nutritional deficiencies that gluten-free diet entails, as well as an assessment of gluten-free diet and its nutritional deficiencies once the intestinal microvilli have been restored.

Material and methods:

a bibliographic search was carried out through electronic databases. The content of the review focuses on the pathogenesis of celiac disease and the assessment of gluten-free diet when established for treatment.

Results:

the main deficiencies that occur in untreated celiac patients are (calcium, iron, fiber, folic acid, omega-3, vitamin B12, and vitamin D). It has been observed that the quality of life of celiac patients, after starting treatment, is reduced, and this leads to low adherence to gluten-free diet. In addition, these gluten-free diets without proper follow-up by a nutritionist entail other deficits such as: an increase in the risk of cardiovascular, metabolic, overweight and obesity diseases.

Conclusion:

gluten-free diet, as followed by celiac patients, usually entails certain deficiencies such as group-B vitamins, vitamin D, calcium, iron, folic acid, and fiber, which is mainly due to the poor nutritional quality of gluten-free products as compared to their equivalents with gluten, and a scarce monitoring by health professionals.

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