It’s that time of year again when temperatures have dropped to their lowest, and it is likely your vitamin D levels have, too.

When the sun’s rays enter the Earth’s atmosphere at too much of an angle as happens during the winter season, UVB rays are blocked off, and your skin can’t produce vitamin D without them. Moreover, because you’re more likely to wear multiple layers of clothing and stay indoors when it’s cold outside, you reduce your exposure to sunlight even further.

The difficulty of getting enough vitamin D from food sources, such as fatty fish and dairy products, also contributes to low vitamin D.

Taking a supplemental form is an effective and safe way to get the vitamin D your body needs, but the type and amount of vitamin D you take matters. In fact, you may need a lot more than you’re getting, according to a recent landmark study in which Canadian scientists analyzed 108 separate, individual studies to create a meta-analysis.

The researchers concluded that subjects needed at least 3,000 IU of vitamin D per day to achieve and maintain adequate blood levels for optimal health. If overweight or obese, subjects required vitamin D at 5,000-7,000 IU per day. Click Here to see more!

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