Conservative estimates say that as many as 36% of Americans are vitamin D deficient. And vitamin D is critical for healthy bones. How can you tell if you’re lacking vitamin D? Why is your vitamin D level low? And what’s the best way to make sure you’re getting enough?
Vitamin D works hand in hand with calcium to keep your bones strong; people with low levels of vitamin D fall more often; and they suffer more fractures. When you’re battling osteoporosis (or declining bone strength of any...


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