Vitamin K deficiency is actually very rare and you can get your recommended amount of daily vitamin K – 90 mcg for women and 120 mcg for men – by eating a variety of foods, such as green leafy ...

Available over-the-counter: Unlike some super skincare ingredients, vitamin K products are available in most beauty and drugstores. Helps combat wrinkles: Similarly to the under-eye circle study, an ...

The research team focused on menaquinone-4, a form of vitamin K prevalent in brain tissue, and found significantly lower levels of this nutrient in the brains of the vitamin K-deficient mice.

Vitamin K Vitamin K is essential for blood clotting and bone health. It comes in two forms: K1 (phylloquinone) from plants and K2 (menaquinone) from animals and fermented foods.

Vitamin K, first described in 1927, is a fat-soluble vitamin encompassing several chemically similar molecules. One common source stems from leafy greens and vegetables, and another stems from ...

But it's also rich in vitamins A, B, D and K. So rich in Vitamin A, in fact, that it's advised to eat it only once a week to avoid vitamin A toxicity, and not at all if you're pregnant.

A supplement of vitamin K, which can also be found in leafy greens, such as kale, has shown promise in slowing down prostate cancer progression in mice. Image credit: BRETT STEVENS/Getty Images.

If you've never heard of taking a vitamin K supplement, then you are not alone. Here’s what you can do to support bone health as you age.

More information: Manojit M. Swamynathan et al, Dietary pro-oxidant therapy by a vitamin K precursor targets PI 3-kinase VPS34 function, Science (2024). DOI: 10.1126/science.adk9167 ...

People who eat their greens may have healthier lungs, research suggests. The Danish study of more than 4,000 adults found that those with higher levels of vitamin K were less likely to have asthma ...

The group receiving vitamin K2 had a significant decrease in leg cramps. Vitamin K, like other vitamins, is multi-functional. It is essential for bone building and blood clotting.