Isagenix R&D Product Education Supervisor Sara Richter talks all about the caffeine found in two major Isagenix Products—e+ and Isagenix Coffee. Do you ever wonder how much caffeine you can drink in a day and why it makes you feel so alert? Stop feeling guilty about having a second cup of coffee or a mid-day e+ shot, tune in, and learn all about the benefits of caffeine and the Isagenix difference.