Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when to talk to your healthcare provider.

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 ...

Fact checked by Nick Blackmer Vitamin D is vital, but taking in too much from supplements can be harmful.Vitamin D toxicity can cause common symptoms like nausea, weakness, and loss of ...

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 ...