Nomenclature
The reference to sweat in the name of the beverage tends to have a certain offputting or humorous connotation for native English speakers. However, the name was chosen by the manufacturers originally for the purpose of marketing the product as a sports drink in Japan, where people generally do not mentally translate names appearing in English and are therefore not bothered by the connotation. It was largely derived from the notion of what it is intended to supply to the drinker: all of the nutrients and electrolytes lost when sweating. The first part of the name, Pocari, does not have any meaning; the word was coined for its light, bright sound.
Read more about this topic: Pocari Sweat