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ZRT home testing kit for vitamin D

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Vitamin D Council

Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

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We'll keep you up to date on vitamin D and educate you on key concepts in vitamin D. Continue reading →

Vitamin D and multiple sclerosis

Vitamin D and multiple sclerosis

What's the link? Can vitamin D prevent or treat multiple sclerosis? Find out more by viewing our friendly summary. Continue reading →

Testing for vitamin D deficiency

Testing for vitamin D deficiency

Worried if you are getting enough vitamin D? Learn about vitamin D testing to see if you are getting enough. Continue reading →

Vitamin D during pregnancy and breastfeeding

Vitamin D during pregnancy and breastfeeding

Everything you need to know about vitamin D during pregnancy and breastfeeding and how much your baby needs. Continue reading →

14 June 2013

Breastfed infants severely deficient in vitamin D in South Korea

Breastfed infants in South Korea carry a significant risk of vitamin D deficiency, according to new research. Continue reading →

12 June 2013

Prenatal vitamins leaving infants deficient in vitamin D

New research out of Italy has found that prenatal supplement recommendations are too low to ensure vitamin D sufficiency in newborns. Continue reading →

10 June 2013

Vitamin D and hepatitis B virus: What’s the link?

Low vitamin D levels are linked to high levels of hepatitis B virus concentration, according to research published in the Journal of the American Association for the Study of Liver Diseases. Continue reading →

6 June 2013

Vitamin D deficiency: Increasing your risk of obesity years later?

A new study published in the European Journal of Nutrition reports that vitamin D deficiency may increase your chances of becoming obese years later. Continue reading →

Member Discussion

"I also have diagnosed RA and have found vitamin D (in addition to fish oil) indispensable for managing it."

"These are folks >45 y/o. I call this the Lazarus Syndrome. Folks have poor health for 45 years, then you expect one thing to magically fix everything?"

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About vitamin D

Vitamin D deficiency

Am I deficient in vitamin D?

How to know if you get enough

How do I get the vitamin D my body needs?

How to get sun safely and supplement effectively
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