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How does weight loss surgery affect nutrition?

ANSWER

After weight loss surgery, the body has difficulty absorbing certain important nutrients, including:

However, taking a daily multivitamin, plus other supplements, can prevent or reduce these deficiencies.

  • Iron
  • Vitamin B-12
  • Folate
  • Calcium
  • Vitamin D

SOURCES: News release, Allergan. Sjöström, L. , December 2004. WebMD Medical Reference: "What to Expect After Weight Loss Surgery;" "Your Options in Weight Loss Surgery: Making the Choice;" "Preparing for Weight Loss Surgery;" "Life After Weight Loss Surgery;" and "Is Weight Loss Surgery for You?"


New England Journal of Medicine

American Society for Metabolic and Bariatric Surgery: "Bariatric Surgery Procedures."

Cleveland Clinic. 

National Institute of Diabetes and Digestive and Kidney Diseases.

Reviewed by Carol DerSarkissian on February 7, 2019

SOURCES: News release, Allergan. Sjöström, L. , December 2004. WebMD Medical Reference: "What to Expect After Weight Loss Surgery;" "Your Options in Weight Loss Surgery: Making the Choice;" "Preparing for Weight Loss Surgery;" "Life After Weight Loss Surgery;" and "Is Weight Loss Surgery for You?"


New England Journal of Medicine

American Society for Metabolic and Bariatric Surgery: "Bariatric Surgery Procedures."

Cleveland Clinic. 

National Institute of Diabetes and Digestive and Kidney Diseases.

Reviewed by Carol DerSarkissian on February 7, 2019

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Can you regain weight after weight loss surgery?

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