This week, John covers Sulfate: The Most Common Nutritional Deficiency That You Never Heard Of Title: Sulfate: The Most Common Nutritional Deficiency That You Never Heard Of Date: Friday, December 15, 2017 Time: 9:00 AM Nanjing, China (GMT+8.00) SAMA Expert: Stephanie Seneff In this episode, you will learn the important roles of sulfate in the body, and the mechanisms by which glyphosate, the active ingredient in the pervasive herbicide, Roundup, disrupts sulfate homeostasis.