Energy drink is types of beverages which have caffeine less than 50 milligram per 1 bottle (100-150 milliliter). Most of energy drink attaches importance to give more energy or boost energy. Energy drink is approximate to non-caffeine beverage. It is became popular in Thailand with truck drivers, farmers, university students and those working long hours that needed to stay alert. The non-alcoholic beverage market in Thailand has significant growth potential and some of the well-known energy drinks are Red Bull, M-150 and Shark energy drink.