Vitamin K Assists in blood clotting Helps the body maintain strong bones Recommended Dietary Allowances Children Ages 1 to 3: 15 mcg Ages 4 to 6: 20 mcg Ages 7 to 10: 30 mcg Ages 11 to 14: 45 mcg Women Ages 15 to 18: 55 mcg Ages 19 to 24: 60 mcg Age 25 and older: 65 mcg Men Ages 11 to 14: 45 mcg Ages 15 to 18: 65 mcg Ages 19 to 24: 70 mcg Age 25 and older: 80 mcg Pregnant women: 65 mcg Nursing mothers: 65 mcg Recent research suggests that people may need intakes well above the recommended levels to enhance bone formation and maintain bone density. Talk with your doctor about how much vitamin K is right for you. Good Food Sources: leafy green vegetables, such as spinach, kale, and broccoli; vegetable oils; cheese; egg yolks; pork and liver. Home | Vitamin A | Vitamin B1 | Vitamin B2 | Vitamin B3 | Vitamin B6 | Vitamin B12 | Folate | Vitamin C | Vitamin D | Vitamin E | Balanced Diet | Fast Health Tips Directory