SELECTA Yerba Mate Energy 500g is produced in Bella Vista, Paraguay by ENO Bronstrup S.A., one of the leading producers of yerba mate in that country. This is a full-flavoured traditional yerba premium yerba mate blended with guarana extract and vitamin C, for extra energy. Amazon Indians were aware of the the medicinal effects of the Guarana (Paulina Cupana) fruit, and they have been using it since ancient time as a natural medicine. Its benefits include its ability to regulate gastrointestinal action. It is also a diuretic aid, an hepatic protector, a body general toner and a stimulant. It helps counteract stress giving a thrust of energy during the day.