Vitamin D is important for healthy bones, teeth, and immune function but, as it is said, excess of anything can lead to ...

Humans were basically built to produce and carry higher levels of vitamin D when exposed to the sun. Previous research suggests that the first sign of real side effects or toxicity of vitamin D ...

Vitamin deficiencies may not always present immediate symptoms but over time they can lead to serious health problems ...

You don’t want too little. You don’t want too much,” she says. Vitamin D can be toxic at very high levels, and supplementation can also increase the risk of kidney stones. So, she says talk ...

Weaker evidence for vitamin D includes preventing multiple sclerosis ... and ample evidence now exists to suggest that toxicity can occur when these nutrients are given chronically in mega ...