Even Healthy People May be Vitamin K2 Deficient
Many people eat a balanced diet, exercise, and for all intents and purposes appear to be totally healthy. However, a recent analysis found that even healthy people are likely to be deficient in vitamin K2, which can lead to a higher risk of bone loss and hardening of the arteries.
The researchers for the study examined 896 blood samples from 110 healthy patients. They found that both children and adults had high markers of vitamin K insufficiency and deficiency in their blood.
They also found that children and adults over the age of 40 who were the most vitamin K2 deficient responded most noticeably to vitamin K supplementation.
Researchers from Masstricht University in the Netherlands and VitaK conducted the study. It was published online ahead of print on November 18, 2013, in Food & Function.
Previous studies have linked vitamin K to bone and cardiovascular health and a reduced risk of prostate cancer. Vitamin K comes in two main forms: K1 (phylloquinone) and K2 (menaquinones). Vitamin K1 is found in green leafy vegetables and makes up about 90% of the vitamin K consumption in a western diet.
Vitamin K2 is harder to come by and therefore makes up only 10% of consumption. It is most common in fermented foods like cheese but can also be found in meat and soybeans. Both vitamin K1 and K2 are also available in supplement form.