Life Extension

Super K 90 Softgels


Super K provides THREE kinds of vitamin K: vitamin K1 and two forms of K2, menaquinone-4 (MK-4) and menaquinone-7 (MK-7). Taking Super K everyday is a good way to make sure you’re getting enough of this essential nutrient for bone and vascular heath*.

Vitamin K helps maintain bone density by facilitating the incorporation of calcium into your bones.1 It also supports normal function of a protein called matrix Gla-protein (MGP).2 MGP helps regulate how calcium interacts with your arterial walls.3 So in addition to facilitating calcium incorporation into bone, vitamin K helps promote a healthy calcium balance in your arteries.


1. Linus Pauling Institute. Vitamin K. Accessed 05/14/2019.
2. Adv Nutr. 2012;3(2):158-65.
3. Clin J Am Soc Nephrol. 2008;3(5):1504-10.
4. J Nutr. 2004;134(11):3100-5.
5. Am J Clin Nutr. 2009;89(6):1799-807.
6. Circulation. 2017;135(21):2081-2083.
7. Thromb Haemost. 2015;113(5):1135-44.
8. Nutr Metab Cardiovasc Dis. 2009;19(7):504-10.
9. J Nutr Metab. 2017;2017:6254836.
10. Adv Nutr. 2012;3(2):182-195.
11. Blood. 2007;109(8):3279-83.
12. Nutr J. 2012;11(1):93-7.

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