Interest in vitamin D has increased recently because of its role on multiple biologic
mechanisms and the high prevalence of deficits, particularly in obese individuals. The …

Bariatric surgery is associated with a postoperative reduction of 25 (OH) vitamin D levels (25
(OH) D) and with skeletal complications. Currently, guidelines for 25 (OH) D assessment and …

Individuals with extreme obesity who qualify for bariatric surgery are frequently vitamin D
deficient before and after surgery. The anatomical changes that occur during some bariatric …

Background Bariatric surgery is the most effective long-term weight loss method. The most
common procedures are Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy …

Background Obesity is a public health problem that carries global and substantial social and
economic burden. Relative to non-surgical interventions, bariatric surgery has the most …

Objective Adiposity has been inversely associated with vitamin D concentration across a
range of body mass index values and cultural groups. As obesity has increased markedly …

Objective To assess vitamin D status and the influences of race, sun exposure and dietary
vitamin D intake on vitamin D levels, and to evaluate two vitamin D repletion regimens in …

Bariatric surgery is becoming an increasingly common procedure performed to achieve long-
term weight loss in morbidly obese patients. Bariatric surgery may cause long-term morbidity …

Background The degree of bariatric surgery (BS) induced vitamin D (VD) malabsorption is
not well established. Objective The aim of this study is to evaluate the efficacy and safety of …

Introduction The aim of this study was to determine the impact of hypovitaminosis D on
Gastric Bypass outcomes. Methods We retrospectively reviewed all patients who underwent …