Vitamin D is actually a hormone that can be synthesized in the body. Eating enough of these food sources, such as fatty fish and flax seeds along with daily exposure to sunlight can sometimes provide adequate levels of D in the body but it's very easy to supplement. A quality product that contains Vitamin D3 along with K2 (as MK7) is what you need. Our Wellness Warrior Checklist on Amazon has our favorite. http://a.co.bTVcHjo
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