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Fight the Flu Naturally with Vitamin D

Fight the Flu Naturally with Vitamin D

While the change in seasons means beautiful fall foliage and often gorgeous weather, it also means that cold and flu season is upon us. According to a study published in The American Journal of Clinical Nutrition, vitamin D3 may be as effective as a flu shot in preventing the flu.

The study looked at two groups of 167 children each. One group received vitamin D supplements while the other took a placebo. Almost twice as many kids in the placebo group came down with the flu during the 4 month study!

The amount of D3 that these kids received was well above the usual RDA, which is 200 IU per day. These students were taking 1200 IU daily.

With flu season fast approaching, now is the time to pick up a D3 supplement or start upping your intake of dietary D3 sources. A word of caution: since vitamin D is fat soluble, it is possible to overdose on the stuff. You should not take more than 2000 IU of vitamin D each day.

The Sunshine Vitamin

One of the best ways to get more vitamin D is to play outdoors! It’s the only vitamin that your body can produce naturally, and we use the power of sunlight to synthesize it. Even 15 minutes playing in the sun without sunscreen a few times a week can make a difference.

Dietary Sources of D3

The only significant non-fortified, non-animal source of dietary D3 is mushrooms. A cup of mushrooms provides just over 160 IU of D3.

Many grain, soy, and dairy products are supplemented with D3. Some juices are fortified, too. The vitamin D content of food is usually expressed in micrograms, so you may need to bring your calculator. For vitamin D, one microgram is about 40 IU.

Seafood is also a good source of dietary D3, especially fatty fish like herring and salmon.

Related:
The Great Health Vitamin
You Need Sun! 10 Healthy Tips to Get It
3 Ways to Get Vitamin D When the Sun is Hiding

Image Credit: Creative Commons photo by anniferrr

Read more: Diet & Nutrition, Health, Natural Remedies, , , , , , ,

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Becky Striepe

Becky Striepe is a freelance writer and vegan crafter living in Atlanta, Georgia. Her life’s mission is to make green crafting and vegan food accessible to everyone! Like this article? You can follow Becky on Twitter or find her on Facebook!

79 comments

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10:45AM PDT on May 3, 2013

Very interesting. Thank you.

4:24PM PDT on Mar 13, 2013

thanks

12:47PM PDT on Mar 13, 2013

Do you feel tired most of the time? You may be deficient in vitamin D3. I began taking again last Friday, and I feel soooo much better. My doctor said that people with immunosuppressive disorder should take 5000 IUs daily and that will help to rebuild the immune system. I'm all for holistic yet don't like mushrooms!!

I also am a huge proponent of taking Lysine. I've not had a viral infection for 11 years now!!

10:34AM PDT on Mar 13, 2013

good to know

1:43AM PST on Jan 22, 2013

Thank you :)

3:46AM PST on Jan 18, 2013

thank you :)

6:02AM PST on Nov 19, 2012

Thanks for the info...

2:59PM PDT on Aug 27, 2012

Good to know it. Thanks!

12:37PM PDT on Aug 27, 2012

thank you

8:04AM PDT on Jul 8, 2012

Interesting result

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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
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