All You Need To Know About Vitamin K Deficiency

How much vitamin K do I need daily?

Daily recommendations of vitamin K differ according to age, sex, daily activity, the person’s status of health, metabolic and medical conditions. However, the recommended vitamin K amount, according to the World Health Organization (WHO), is as follows:

  • From birth to 6 months: 2 μg
  • Infants from 7 to 12 months: 2.5 μg
  • Children from 1 to 3 years: 30 μg
  • Children from 4 to 8 years: 55 μg
  • Children from 9 to 13 years: 60 μg
  • Teens from 14 to 18 years: 75 μg
  • Male adults from 19 years and older: 120 μg
  • Female adults from 19 and older: 90 μg
  • Pregnant and breastfeeding teens from 14 to 18: 75 μg
  • Pregnant and breastfeeding women from 19 and older: 90 μg

*microgram (μg, mcg)

People at risk of vitamin K deficiency may need more than the daily vitamin K recommendation.

Vitamin K deficiency