Vitamin D has a role in bone strength, heart health, diabetes and brain function. Old standards for minimum healthy intake may be too low.

Oct 3, 2009 - James Cooper

Limited sun exposure several times a week is all you need to enjoy the wonderful benefits of Vitamin D, such as healthy bone density and growth and lower cancer risks.

May 10, 2007 - Aurae Beidler

Vitamin D -- a fat-soluble vitamin obtained from sunlight, fortified foods, and dietary supplements -- contributes to overall health, especially bone health.

Aug 26, 2009 - Nicole Lassahn

The best natural source of vitamin D is bright sunshine, but if sunlight isn't available all year round or has to be avoided, one should take supplements.

May 26, 2010 - Maija Haavisto

Vitamin D is good for your bones. The best way to get it is from fortified dairy products and from the sun.

Apr 18, 2008 - Christina Gleason

Constant tiredness, accompanied by irritable moods, depression, or unexplained aches might be a sign of vitamin B or D deficiency, key vitamins for fighting fatigue.

Jul 6, 2009 - Victoria Anisman-Reiner

Current recommended dietary allowances for Vitamin D are probably too low, and the form you take could further decrease your supplement's effectiveness.

Jun 22, 2008 - Stephen Allen Christensen

Vitamin D is an important nutrient, yet some experts say we don't get enough. So why is vitamin D special, and how can we guarantee we get adequate amounts?

Mar 18, 2011 - Shaun Bevins

Vitamin D deficiency in babies and young children can cause rickets, a serious bone disorder that can cause permanent skeletal damage.

Oct 14, 2008 - Abby Deliz

Vitamin D is poised to replace vitamin C as the vitamin of choice to keep colds at bay.

Feb 26, 2009 - Uni Blake

A recent search study which aimed to look at fragmented sperm, found that a shocking third of all men studied had a significant vitamin D deficiency.

Nov 5, 2008 - Joanna Karpasea-Jones

Too little of the sunshine vitamin results in bone loss. This nutrient may also help lower blood pressure, prevent depression, vision and memory loss.

Apr 18, 2011 - Mary Earhart

Vitamin D is essential for humans for the development of bones. Here we examine the consequences of having a deficiency of vitamin D.

May 2, 2011 - Christina Crawford

Vitamin D may reduce the risk of cancer, bone disease and even autism. You can get vitamin D from the sun, but vegetarian and vegan diets still deserve special attention.

Jul 11, 2007 - Jill Harris

Vitamin D is important to the health of the human body and over half of Americans are not getting enough.

Mar 30, 2010 - Lindsey Mason

Although the body can produce vitamin D with sun exposure, eating foods high in vitamin D is important to ensuring adequate intake of this essential vitamin.

Feb 6, 2010 - Jennifer Murray

Have our fears about sunbathing increased the risk of our children developing rickets?

Mar 14, 2011 - N. J. Evans

Many people are unaware that their insomnia could be caused by something as simple as a vitamin D deficiency. A simple blood test can confirm, and supplementing is easy.

Nov 11, 2008 - Abby Deliz

Supplements may be necessary to meet vitamin D requirements. Here are the facts about vitamin D supplements, vitamin D toxicity and hypercalcaemia.

Feb 4, 2011 - Sharon Kirby

Vitamin D: how much does one need? Many limitations of major sources means vitamin D supplements may be the answer to the worldwide deficiency crisis.

May 1, 2010 - Melissa Peterson