Vitamin D is crucial to your health, and a vitamin D deficiency can lead to bone, immune and neurological problems. So how do you know if you are getting the proper amount? In this video, Dr. Andrew Rubman, naturopathic physician and author of Bottom Line’s “Nature Doc’s Patient Diary” blog, explains that simply spending time in the sun is not sufficient to maintain proper vitamin D levels. He recommends a daily vitamin D supplement that contains 3,000 international units (IU) to 5,000 IU. But he also cautions that you can get too much of this vitamin. Fortunately, a simple blood test can measure vitamin D levels.

Andrew Rubman, ND, is a teacher as well as a physician, helping his patients make better-informed choices about their healthcare and become better consumers of both traditional and conventional medical options.  He is also a member of the Bottom Line Personal Panel of Experts. For more great tips from Dr. Rubman, check out his other videos and Bottom Line blog “Nature Doc’s Patient Diary” or visit his website,

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