Por Claudia Shanon

Can Getting Too Much Vitamin D Cause a Rash?

'Since adverse effects from excess vitamin D are likely to come from supplements and not dietary sources, try to optimize your dietary intake first...

Is Face Swelling An Allergic Reaction to Vitamin D?

Supplemental vitamin D, but not the vitamin D in food, may cause allergic reactions, such as facial swelling, hives, skin rash and difficulty breat...

Causes and Treatments of a Swollen, Scalloped Tongue

In most cases, a vitamin B12 deficiency is treated with either dietary supplements or vitamin shots. If your diet was simply lacking adequate amoun...

Upset Stomach from Vitamin D? Here's Why, Plus How to Prevent It

Taking any supplement with food helps your body better absorb the vitamin, thus lowering the odds that you'll have an upset stomach, per the Clevel...

Easy-To-Spot Signs You May Be Deficient in Necessary Vitamins

Deficiencies can be worsened by the demands placed on the body by stress, which actually can worsen the deficiencies themselves. Eating a diet that...

How Much Vitamin D Should You Take for Optimal Health?

Itâ€™s often referred to as the â€œsunshine vitaminâ€ and is made in your skin when exposed to sunlight. However, if you live far north or south o...

How Much Vitamin D is Too Much? The Surprising Truth

The exact mechanism behind vitamin D toxicity is complicated and isnâ€™t fully understood at this point. As a result, the main symptom of vitamin D...

25-Hydroxy Vitamin D Test

The test can determine if your vitamin D levels are too high or too low. The test is also known as the 25-OH vitamin D test and the calcidiol 25- h...

Is Your Baby Getting Enough Vitamin D?

You may decide to later wean your baby off of breast milk and only use vitamin D- fortified infant formula. The exact amount of sunlight people nee...