Vitamin E >> Vitamin K Deficiency of vitamin K is uncommon as vitamin K is synthesized by colonic bacteria 60% of vitamin K is synthesized by colonic bacteria 40% of vitamin K is received by dietary intake Deficiency of vitamin K is therefore uncommon in patients with sho bowel syndrome who have an intact colon. Deficiency of vitamin K is however common in those patients with sho bowel syndrome who do not have a residual colon. Sho Bowel Syndrome with Extensive ileal resection This is associated primarily with deficiency of vitamin B12 since vitamin B12 is only absorbed in the terminal ileum. Fat soluble vitamin deficiencies may also occur due to fat malabsorption from decrease in concentration of bile acids / salts. (Bile acids are absorbed only from tr..; ileum) Vitamin B12 > Fat solubleVitamin The ileum has the capacity to adapt and compensate for jejunal resection. The jejunum does not have the capacity to adapt and compensate for ileal resection (as the terminal ileum has the exclusive capacity to reabsorb bile salts &vit BO">