Vitamin D and K and: Vitamin d is the best-known vitamin for bone health, as it is essential for calcium absorption. Most adults need 2000-5000 units a day from oct.-april, or year round if you don't spend time in the sun. Less well known but also crucial is vit. K, which makes sure calcium goes into your bones-at least 1 mg/day, up to 45 mg for osteoporosis. And minerals like calcium, magnesium, boron & strontium help.
Answered 12/9/2013
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