WLS Glossary
There are 11 entries in this glossary.
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Term Definition
Iron Deficiency
Iron is absorbed by the duodenum as well as the lower small bowel.  When a gastric bypass is performed, the duodenum is bypassed as well.  Therefore iron is not absorbed as well after bypass.  Women who are menstruating lose blood and therefore iron with each period. These women can't get enough iron in the diet and should take a daily iron supplement.  Women who don't menstruate and men will generally get enough iron in the diet to prevent deficiency. These patients should take a multivitamin with iron, but generally don't require a specific iron supplement.

Learn more in our section on Iron Deficiency.