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Vitamin D is essential for the functioning of many important systems in the body, and recent research has suggested that we may need much more vitamin D than previously thought for optimal immune function and long-term health.* Cholecalciferol, also known as Vitamin D3, is more biologically active in the body than vitamin D2. In some climates people may get adequate vitamin D3 from sunlight, but in cooler climates with longer winters, vitamin D deficiency is quite common.*
Vitamin K has long been recognized as an important fat soluble vitamin essential for circulatory health and normal bone mineralization.* Several different forms of vitamin K exist, with the primary dietary form being vitamin K1, or phylloquinone, found primarily in green vegetables. Another form of vitamin K known as vitamin K2, or menaquinone, is found primarily in animal products such as meat or eggs, as well as in foods such as cheese and natto, a fermented soy product. While most of the benefits of vitamin K were previously attributed to vitamin K1, recent research has identified important benefits for vitamin K2.
Vitamin D3 + K2 by Seeking Health combines these important fat-soluble nutrients in an easy-to-swallow capsule that provides 5000 IU of D3 (as cholecalciferol) and 100 mcg of K2 (as menaquinone-7). Vitamin D3 + K2 contains only pure cholecalciferol derived from cholesterol in sheep's wool, making it suitable for vegetarians, and the highly bioavailable MK-7 form of K2.