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In the 1980’s Dire Straits sang “I want my MTV”. After reading this, you might be singing, “I want my Vitamin D3”.

Two and a half years ago I attended a healthcare research conference where Dr. Brent Muhlestein, a cardiologist and researcher, shared some interesting findings on the benefits of Vitamin D.

Dr. Muhlestein and his team followed a group of patients over 50 and with no prior history of cardiovascular disease. They measured levels of Vitamin D during routine care visits and tracked new diagnoses of heart disease. They found that patients with very low levels of Vitamin D (< 15 ng/ml) were 1.77 times more likely to die, 1.45 times more likely to develop artery disease, 1.78 times more likely to have a stroke, and 2.00 times more likely to develop heart failure than patients with normal levels of Vitamin D (>30 ng/ml).

One year later I attended a research forum where Dr. Muhlestein again presented data on Vitamin D. In addition to the accumulating cardiovascular benefits, he presented other research showing that Vitamin D helped regulate other functions such as blood pressure and glucose control, and control inflammation, suggesting benefits for arthritis, hypertension, and diabetes, to name a few.

And six months ago when I happened to get on an elevator with Dr. Muhelstein, I asked him how his Vitamin D research was coming along. He said that things still looked promising and that it would be nice to have something as simple as Vitamin D to help them treat patients with cardiovascular disease. Currently many of his heart patients are on Vitamin D therapy. 

How much Vitamin D should people take? Dr. Muhelstein pointed out that many people are Vitamin D deficient, and that for some, the 400 IU available in most multivitamins may not be enough. For now it seems that taking higher doses of Vitamin D does not put most people at risk. Even increasing Vitamin D intake to 1,000 to 5,000 IU a day may be appropriate if there are no health and genetic risks. It is not hard to find supplements with these higher doses nowadays. I’ve seen supplements with 2000 and even 5000 IUs per dose in my local supermarket.

How much Vitamin D should you be taking? That’s something to discuss with your doctor. If you have not yet heard of the newfound benefits of Vitamin D, chances are you could benefit from a prudent increase beyond what you are currently getting in your regular diet.

http://www.webmd.com/heart-disease/news/20100315/vitamin-d-supplements-lower-heart-disease-risk

 


Comments

Stan
11/15/2010 14:34

My doctor recommended vitamin D to me 1 year ago. He recommended 2000 IU due to my... large stature. =:) My wife is a latina and she is also taking 2000 IU since she has darker skin. Since then I've been recommending vitamin D to a lot of people.

For a long time I was in the camp that the whole supplements thing was bunk. I've since changed my mind. I currently take vitamin D and fish oil. There is still a good deal of woo being pedaled, but many supplements are supported by research. Here's a helpful link.

http://www.informationisbeautiful.net/visualizations/snake-oil-supplements/

Reply
Dave C.
11/15/2010 14:55

Stan,

Good to hear it. I think the word is getting out. I am also taking about 2000 IU of D3 per day, and fish oil.

Reply
Sally
11/15/2010 17:37

I just went to my doctor after a bone scan showing osteoporosis, plus I have arthritis and she put me on 4000 U vitamin D. Said she has found it makes a huge difference and will help reverse the osteoporosis

Reply
Debbie
11/15/2010 19:20

Mike and I take 5,000 to 10,000 IU's per day (fall, winter, spring). We take 40,000 IU's (very short term 2-3 days if we feel something coming on).

Careful on the fish oil...fish oil is low in antioxidant content. And, as you increase your intake of omega-3 fats by consuming fish oil, you actually increase your need for even more antioxidant protection.

This happens because fish oil is highly perishable.

You have to have sufficient antioxidants to ensure that the fish oil doesn't oxidize and become rancid inside your body (oxidation leads to the formation of unhealthy free radicals).

We use krill oil which research suggests is a safer and healthier form of Omega 3.

Reply
11/15/2010 19:26

Thanks for the tip. I am currently on Niaspan and fish oil. I don't think Vit. D can hurt. Is there any evidence that Vit. D helps raise HDL levels? That's my basic problem.

Reply
Dave C.
11/15/2010 22:45

Sally,

It will likely do more than help with osteoporosis.

Debbie,

You bring up an important point - it takes massive doses over a prolonged period of time to develop Vitamin D toxicity. Dr. Muhelstein said that they sometimes put new heart patients on mega doses of 50,000 IU per week for a short period of time. There is a single pill to be taken once a week that gives 50,000 IU. (Note that I would only recommend this kind of dosing under physician supervision). The only time he saw toxicity was when a patient forgot the instructions and took a 50,000 IU pill everyday instead of once a week.

Here is a link on Vitamin D toxicity for interested persons.
http://www.vitamind3-cholecalciferol.com/vitamin-d-toxicity.htm

Hi SFaux,

Good news. Clincians are seeing big benefits on HDL levels from those taking Vitamin D3.

http://heartscanblog.blogspot.com/2008/08/vitamin-d-and-hdl.html

http://www.healthcentral.com/heart-disease/c/1435/47556/hdl-naturally

"Vitamin D ─ Restoration of vitamin D levels to normal can yield increases in HDL of 10, 20, even 30 mg/dl, though it may require up to a year for the full effect to show."




Reply
Jason C
11/16/2010 16:41

I feel uncomfortable about taking phenomenal doses of an isolated substance, even if my doctor swore by it. I would be wary of that, as I would hate to be in that pool if they discover later on that long-term exposure to such leads to 'X' number of ailments worse than what they were meant to alleviate. Moderate doses around the 1000-2000 IU range sound like the way to go.

Reply
Jason C
11/16/2010 16:46

Just a word about Omega 3. Instead of fish oil, blend flax seeds into a smoothie, chop them in a blender and incorporate them into your baking or sprinkle them chopped and raw in your breakfast cereal or on top of your porridge. I would be wary of any processed fish product.

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