More on Vitamin Supplements

Most of the vitamins we need come from plants. So, should we supplement? Here’s what the science says about a few key vitamins. This episode features audio from Vitamin Supplements Worth Taking, Do Vitamin D Supplements Reduce the Risk of Dying from Cancer?, and Do Vitamin C Supplements Prevent Colds but Cause Kidney Stones?. Visit the video pages for all sources and doctor's notes related to this podcast.