Everything You Need to Know About Vitamin D for Your Health
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Everything You Need to Know About Vitamin D for Your Health

by Dr. Joseph Mercola, Mercola: Story at-a-glance Vitamin D3 is important for bone strength and immune function; your body produces it naturally from sunlight or you can get it through supplements when sun exposure is limited The optimal blood level of vitamin D is between 60 and 80 ng/mL; to stay in this range, test […]