Alacer Corp. added three shot products under the Emergen-C brand. Emergen-C Health & Energy Booster, Emergen-C Immune+ System Booster and Emergen-C Alert! Energy & Focus Booster. Emergen-C Immune+ and Emergen-C Alert! are packaged in 2.5-ounce shot containers as well as flavored fizzy drink mix packets. Emergen-C Alert! contains green tea extract and vitamin B12. Emergen-C Immune+ provides 1,000 mgs. of vitamin C, prebiotics and zinc. Emergen-C Health & Energy Booster carries vitamins C and B, electrolytes and antioxidants.