Vitamin D: How do we get enough and what should we pay attention to?. Many people turn to vitamin D supplements for fear of deficiency symptoms.

But doses that are too high are harmful to health. Nutritionist Anika Wagner explains what we should paying attention to. She is a Professor of Nutritional Science at the Justus Liebig University in Giessen. She also works as a Nutritionist at the University of Giessen in Germany. For confidential support call the Samaritans in the UK on 08457 90 90 90, visit a local Samaritans branch or click here for details.