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10 Natural Tips To Boost Immunity This Winter

Posted: 11/15/11 07:00 AM ET

Flu season is headed our way and in a few weeks many will suffer, but you don't have to be one of them if you start boosting immunity now. Here are 10 simple ways to prep your body so it's strong enough to repel viral invaders all winter long.

Best wishes for a flu-free winter!

1. DO Your Ds.
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Adequate levels of Vitamin D are essential for our immune systems to function the way it is designed to. Unfortunately, there are no significant dietary sources of Vitamin D -- most of our intake comes from exposure to sunlight. To optimize your Vitamin D levels, you'll need to take a Vitamin D3 supplement daily. This is the most important step you can take to prevent the flu!

To find out how much Vitamin D you'll need, get your 25 hydroxy Vitamin D level checked by your doctor. If that's not an option, you can self-test your level with ZRT labs. For optimal health, you'll want your level to be between 50 and 70ng/ml. It may require several months of taking 5,000 - 10,000 IU of Vit D3 daily (especially during winter) under a doctor's supervision to achieve this -- but it will be well worth the effort.

Monitor your 25 hydroxy Vitamin D status every three months until you are in the desired 50 and 70ng/ml range, then cut back to a maintenance dose of at least 2,000 IU a day.
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