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nutrition.org]
Bottom line: After six months, 50 percent of those counseled to increase their vitamin K intake were maintaining stable anticoagulation levels, compared with just 20 percent of those who received the general nutritional counseling, a significant improvement. The results suggest patients taking warfarin would benefit from consuming foods that provide a minimum of 90 micrograms of vitamin K per day for women and 120 micrograms per day for men, Ferland said.