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How will your body absorb nutrients differently after weight loss surgery?

ANSWER

Weight loss surgery changes how your body handles food. It becomes harder to absorb certain nutrients, including:

  • Iron
  • Vitamin B12
  • Folate
  • Calcium
  • Vitamin D

Ask your doctor if you need to take supplements.

SOURCES:

Brethauer, S. Cleveland Clinic Journal of Medicine, November 2006.

Schauer P. Surgical Clinics of North America, Oct. 1, 2001.

Buchwald, H. The Journal of the American Medical Association, Oct. 13, 2004.

Virji, A. American Family Physician, April 15, 2006.

Shah, M. The Journal of Clinical Endocrinology & Metabolism, Nov. 1, 2006.

WebMD Feature: "Life After Weight Loss Surgery."

WebMD Medical Reference: "Gastric Bypass Surgery."

American Society for Metabolic and Bariatric Surgery: "Rationale for the Surgical Treatment of Morbid Obesity."

Reviewed by Nayana Ambardekar on May 15, 2019

SOURCES:

Brethauer, S. Cleveland Clinic Journal of Medicine, November 2006.

Schauer P. Surgical Clinics of North America, Oct. 1, 2001.

Buchwald, H. The Journal of the American Medical Association, Oct. 13, 2004.

Virji, A. American Family Physician, April 15, 2006.

Shah, M. The Journal of Clinical Endocrinology & Metabolism, Nov. 1, 2006.

WebMD Feature: "Life After Weight Loss Surgery."

WebMD Medical Reference: "Gastric Bypass Surgery."

American Society for Metabolic and Bariatric Surgery: "Rationale for the Surgical Treatment of Morbid Obesity."

Reviewed by Nayana Ambardekar on May 15, 2019

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What can you expect from weight loss surgery?

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