What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels ...

Vitamin C toxicity is rare, but daily doses over 2,000 milligrams may cause unpleasant side effects like digestive issues, headache, and skin flushing.

Too much vitamin D can harm your health. Know the warning signs, side effects, and safe ways to manage your vitamin D levels ...

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

While most people don’t get enough vitamin D—a nutrient that’s crucial for bone and muscle health—it is possible to get too much. This can happen if you are taking multiple vitamin D-containing ...

Learn how vitamin D and calcium work together to promote bone health. Vitamin D helps your body absorb and use calcium, which is essential for building strong bones.

Taking too much of this common wintertime supplement could lead to a toxic blood condition - Getting too much of this vitamin using supplements could lead to kidney failure and even coma ...

Vitamin D is an essential nutrient that supports immune function, and heart, bone, muscle and nerve health. Vitamin D can be made in your body from sunlight, but it is also found in salmon, egg yolks ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." According to the U.S. Food and Drug Administration (FDA), approximately 75% of all Americans take at ...

Vitamins and minerals are essential for our health but they are nutrients our bodies can’t produce on their own – so we must ...