6 Health Benefits of Vitamin K
Vitamin
K, or phytonadione, is actually a group of vitamins that fall into two types:
phylloquinones, which are made from plants, and menaquinones, which are made
from bacteria.
Especially
high sources of vitamin K are spinach, Brussels sprouts, green beens,
asparagus, Swiss chard, broccoli, kale and mustard greens. Here are six reasons
to include vitamin K in your diet:
Blood Clotting
Vitamin K is an essential part of glumatic acid, an amino acid that causes the
chemical event called carboxylation. This chemical event allows the blood from
an open wound to stick to the nearby tissue, thus clotting the open wound and
preventing an excess of blood from flowing out. Nose bleeding, heavy menstrual
bleeding, easy bruising, hemorrhaging and anemia are just some of the
indications that a person is vitamin K deficient.
Bone Health
Vitamin K ensures healthy bones by two means. Firstly, vitamin K blocks the
formation of too many osteoclasts, or bone cells, that take minerals from the
bones and make them available to other bodily functions (a process called
demineralization). The formation of osteoclasts, if not properly checked, can
leave bones overly depleted of their minerals.
Secondly, a protein found in bones that is directly related to our bone
mineral density, called osteocalcin, must be chemically altered through
carboxylation (the process mentioned above in regards to blood clotting) to
maintain optimal health. As shown, vitamin K is a key ingredient in
carboxylation, and with proper intake can allow the protein osteocalcin to
strengthen the health and composition of our bones.
Calcification
The build-up of calcium inside tissue, or calcification, can become a serious
problem that may lead to cardiovascular disease. Vitamin K helps prevent
calcification by contributing to the process (mentioned again) called
carboxylation. This process produces the matrix Gla protein (MGP) that directly
prevents calcium from forming in tissue. Without a proper supply of vitamin K,
and thus MGP, the body is at greater risk of atherosclerosis, cardiovascular
disease, and stroke.
Antioxidant
Though vitamin K has not been shown to be an antioxidant in the same sense as
vitamin C and E, the basic forms of vitamin K, including phylloquinones and
menaquinones, have been shown to protect cells from oxidative stress.
Anti-Inflammatory
Healthy vitamin K levels have been shown to significantly lower the release of
the glycoprotein interleukin-6, a marker of inflammation within the body.
Brain Function
The myelin sheath, or the outer wrapping around a nerve, needs sphingolipids (a
crucial fat) to form properly. Vitamin K is known to be essential for the
synthesis of the sphingolipids, and therefore proper brain and nervous
function.
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