(Visit: http://www.uctv.tv/) More than half of Americans use vitamins or supplements, spending over $9.4 billion a year. Dr. Jeffrey Tice takes a look at which are encouraged, which are discouraged and which have no benefit. He covers antioxidants, folic acid, vitamin D and Calcium and Omega 3. Recorded on 03/08/2016. Series: "UCSF Osher Center for Integrative Medicine presents Mini Medical School for the Public" [5/2016] [Health and Medicine] [Show ID: 30675]