Vitamin K is essential for heart health because it helps facilitate the transport of calcium out of the bloodstream. This is done via calcium-regulating proteins in the arteries, which require vitamin K to work.
Research shows that high intakes of vitamin K2 correspond with better arterial health.
Low Dose Vitamin K2 Benefits
- Supports cardiovascular health
- Vitamin K2 remains biologically active in the body longer than other K forms
- Excellent alternative to diet-based K2 sources such as milk, eggs, cheese and fish
Limits to Dietary Vitamin K Intake
Studies show it’s difficult to rely on diet alone to supply all forms of vitamin K. For instance, vitamin K2 in its highest concentrations is often found in foods high in saturated fat. You would have to consume large amounts of cheese to get the optimal K2 levels that are supported by human clinical trials. And low-fat versions of these foods often have much less vitamin K2 content.
Long-lasting vitamin K2 menaquinones
Vitamin K2 (a group of related compounds called menaquinones) is found in meat, eggs and dairy products. K2 is also made to some extent by bacteria in the human gut, which provides a certain amount of your vitamin K requirement.2 Still, vitamin K supplementation is a good idea, and K2 is an ideal choice.
Vitamin K in clinical studies
In two clinical studies, this botanical combination was found to help inhibit inflammatory factors to support lung health.1,2
Human studies show that vitamin K2 is up to 10 times more bioavailable than K1. Plus, vitamin K2 remains biologically active in the body far longer than K1.4,5 For instance, your liver filters vitamin K1 out of your system within eight hours. But measurable levels of K2 (MK-7) have been detected 72 hours later.6
The Rotterdam Heart Study, a large-scale, well-controlled clinical trial that tracked 4,800 participants for seven years, revealed that participants who ingested the greatest quantities of vitamin K2 in their diet experienced better cardiovascular health than people who ingested the least.7 High intakes of vitamin K2 also corresponded with lower levels of calcium accumulation in the aorta.
Other studies support K2’s role in promoting arterial health—a clinical trial in postmenopausal women showed that MK-7 supported a 50 percent improvement in inactive MGP levels and improved arterial flexibility.2
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