Revisión crítica de los ensayos clínicos publicados sobre la suplementación con vitamina D

Abstract

ABSTRACT. Vitamin D is supplemented in individuals with or without risk factors for deficiency, although its effects at specific doses and frequency are controversial. In consequence, we aimed to perform an exhaustive review on the effects of vitamin D supplementation in randomized clinical trials in adult patients, grouped by target system and the evaluation criteria established in the objectives, by searching clinical trials published in the last 5 years in PubMed and EBSCO are included, with the keywords "vitamin D supplementation" AND effect, in English or Spanish, excluding participants <19 years Our initial search yielded 91 results from two databases, of which 71 included studies. A total of 24 articles published a significant effect of vitamin D supplementation. Significant effects were identified in 3 of 4 studies in postmenopausal patients on bone density and/or strengthening of the musculoskeletal system. Other statistically significant effects were observed with supplementation in patients with high body mass index, in glucose control and glycosylated hemoglobin levels. We conclude that randomized clinical trials show significant effects in different organs and systems, the effect on glycemic control is promising, even when overrepresenting specific human groups.