Chronic toxicity occurs when large amounts of vitamin A build up in your body over a long period of time. Symptoms include changes to vision, bone pain, and skin changes. Chronic toxicity can lead ...

In recent weeks, reports have been circulating about severe reactions in people who've taken over-the-counter vitamin B6 ...

Vitamin D toxicity symptoms include nausea, vomiting, weakness, increased urination, and, in severe forms, kidney damage or calcium deposits in the heart and lungs. Overuse of high-dose vitamin D ...

If you don’t know where your levels actually are, you could risk supplementing with too much and develop vitamin D toxicity (a buildup of calcium in your blood that can cause symptoms like ...