Does EMV Citrus Zero contain caffeine? Does EMV Citrus Zero contain caffeine? Can I drink too much caffeine from EMV Citrus Zero? What makes EMV Citrus Zero better than other energy drinks? Posted by Joe Jerde on June 15, 2014 in Yes. One can of EMV Citrus Zero contains 80 mg of all natural caffeine from green tea, guarana, and yerba mate. Tags:emv citrus zero, energy drink Share this article: About Joe Jerde I'm an entrepreneur looking forward to meeting new people and helping them become successful in building their own business!