Vitamin D Supplementation May Not Lower Cholesterol Levels After All?

by Colin Carmichael

Are you supplementing with Vitamin D to lower your cholesterol levels?

New study suggests you might be disappointed with your results, at least in the short-term. (But don't stop taking that Vitamin D just yet. More in a minute…)

Vitamin D

Study says Vitamin D disappointing at lowering cholesterol levels.

People with low levels of Vitamin D did not see lowered cholesterol levels with Vitamin D supplementation in the short term according to a randomized, controlled study.

Low levels of Vitamin D has been linked to high cholesterol levels and it’s been suggested that raising blood levels of Vitamin D would lower lipid levels.

The study included 151 subjects considered deficient in Vitamin D. Participants received either a placebo of 50,000 IU of Vitamin D3 weekly for 8 weeks.

The participants ranged in age from 18 to 85 and all had Vitamin D levels considered deficient (25-hydroxyvitamin D <20 ng/mL) as well as at least one other factor for increased heart risk.

Replenishing Vitamin D with the 8-week supplementation showed no noticeable improvement in either the chemical lipid profile or the number of small LDL particles.

According to the authors of the study...

"Our study challenges the notion that vitamin D repletion ameliorates dyslipidemia and raises the possibility that vitamin D supplements may worsen the lipid profile for some patients.”

One disappointing aspect to this study is that they didn’t examine if a magnesium deficiency was also present in the subjects.

Others are already expressing the same disappointment with this study and suggesting that if they’d have combined the Vitamin D3 supplementation with magnesium supplementation … and did so for longer than 8 weeks … that the results may have been quite different.

The authors did say that longer-term studies need to be performed to better understand the relationship between Vitamin D supplementation and changes in lipid profiles before a more solid recommendation can be made.

What does this study mean for you and Vitamin D supplementation?

It sure seems to imply that Vitamin D has been over-hyped. At least as far as having any cholesterol-lowering benefits.

But here’s the thing…

My reasons for taking Vitamin D3 on a daily basis have nothing to do with improving my cholesterol profile.

Vitamin D has far-reaching health benefits and cholesterol-lowering has never been at the top of that list.

Did you know that low blood levels of Vitamin D have been directly linked to a higher risk for strokes, heart attacks, stiffer arteries, high blood pressure and even cancer?

Your body’s preferred way to get Vitamin D is through natural sunlight. But if your levels are low or getting outside isn’t an option, then Vitamin D3 is one of the best supplements you can take.

If you'd like to know some other heart-friendly supplements I take on daily basis … and which ones really do improve your cholesterol levels … sign-up for the daily email tips below. I'll share all that and more for a fair price. (Free.)

> Arteriosclerosis Thrombosis & Vascular Biology 2012 Sep 4.

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