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 …

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 …

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 …

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 …

Background Before bariatric surgery, we demonstrate a 96% rate of vitamin D deficiency in
morbidly obese French patients: should supplement intake be routinely prescribed? We …

Background Vitamin D deficiency is common in patients after bariatric surgery. However,
obesity itself has also been associated with decreased vitamin D. The prevalence of vitamin …

BACKGROUND: Obese patients are at risk of hypovitaminosis D. This is particularly
concerning for those considering bariatric surgery because of the risk of postoperative …

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 Vitamin D deficiency is common following bariatric surgery and is due to a
combination of baseline deficiency and postoperative malabsorption. There are few …

Background Bariatric surgery for severe obesity can lead to micronutrient/vitamin
deficiencies. Aims To study baseline and post-surgical prevalence of vitamin D deficiency in …