Health benefits, Deficiency, Toxicity and Source of Vitamin K

Health benefits of Vitamin K

Sign and Symptoms of Deficiency Vitamin K

Sign and Symptoms of Toxicity Vitamin K

No Toxicity known but Vitamin K1 has been associated with severe adverse reactions such as Bronchospasm ( Tighten Bronchi and make airway narrow) and Cardiac arrest when given Intravenously.

Source of Vitamin K

Intake of Vitamin K

  • Adults - 120 μg/day
  • Pregnancy Women - 90 μg/day
  • Lactation - 90 μg/day
  • Infants upto 12 month - 2 to 2.5 μg/day
  • Children 1 to 18 age - 30 to 75 μg/day