Vitamin D, the sunshine vitamin, is crucial for bones, muscles, mood, and immunity. While essential, excessive intake from supplements can lead to dangerous high calcium levels, causing nausea, kidney ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

Too much vitamin D can lead to toxicity, also known as vitamin D hypervitaminosis. The popularity of vitamin D supplementation has increased in recent years. Since supplements often contain ...

A recent death in the UK is raising questions about whether extremely high doses of vitamin D can be dangerous. Here’s what the experts say. By some estimates, nearly a quarter of Americans have ...

Taking too many vitamins and supplements may cause health problems, including vitamin toxicity, interactions, ...

Adults with heart disease who received tailored vitamin D doses had a 50 percent lower risk of experiencing a second heart attack — but how much is too much vitamin D?

Eat more of these whole foods loaded with vitamin C to support your immune system instead of taking a supplement, dietitians say.

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. Adding vitamin D supplements to your diet can help ...

Foods high in vitamin D are essential to a healthy diet. The fat-soluble nutrient, which is made by our bodies through sunlight or found in food and supplements, does a lot for our overall health but ...

Vitamin D is vital for numerous bodily functions. While sunlight is the primary source of vitamin D, record high temperatures this summer may dissuade people from spending time in the sun. An expert ...

Vitamin B12 overdose is so rare that serious adverse effects from consuming large amounts of vitamin B12 have only been reported in a handful of studies in the medical literature. It’s effectively ...