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Can supplementing with vitamin D improve bariatric surgery outcomes?
In this randomized controlled trial, after a Roux-en-Y gastric bypass, supplementation with 1,800 IU of vitamin D3 per day increased serum vitamin D3 and reduced adiposity more than supplementing with 800 IU per day. However, several methodological issues reduce confidence in these findings.
Do some bariatric surgeries bypass the stomach at the expense of bone health?