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Numerous clinical trials confirm that vitamin K plays a vital role in maintaining the healthy structure of bones, as it facilitates the transfer of calcium from the blood to the bones. Vitamin K is also essential for the regulation of proteins in the arteries, as well as for the overall health of the cardiovascular system. When our body lacks sufficient vitamin K, the calcium present in the blood can adhere to the walls of the arteries and lead to arterial calcification. Older adults have a greater need for vitamin K, since even a slight decrease in vitamin K levels can jeopardize the vascular system in this case. Furthermore, a lack of vitamin K can lead to increased levels of carboxylation of osteocalcin, a process that has been linked to a decrease in bone mass in postmenopausal women. People obtain the majority of their vitamin K from green vegetables, in the form of vitamin K1. The problem is that K1 is bound to the fibers of the vegetables and only a small portion is absorbed by the blood. Vitamin K2 is found in meat, eggs, and dairy products, and is also produced by certain bacteria within our digestive system. Studies have shown that vitamin K2 has up to ten times greater bioavailability than K1. For example, K1 is cleared from the liver within eight hours, while measurable levels of K2 can be found even 72 hours after ingestion. Recent research has shown that the MK-4 and MK-7 forms of vitamin K2 are the most active and directly absorbed by the body. MK-7 has a longer duration of stay in our body, while MK-4 offers a rapid increase in vitamin K levels in the blood. Vitamin K1 found in vegetables is essential for the body, but the provision of these two types of K2 is even more important. The Super K formula by Life Extension provides the necessary amount of vitamin K1 and the MK-4 and MK-7 forms of vitamin K2 with just one soft capsule daily. The advantage of this formula is that it provides the exact amount of MK-7 that our body can utilize, ensuring it is sufficient for 24 hours.
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