The present invention relates to a method for producing a sport beverage, comprising the steps of providing malt and/or unmalted grains, providing mashing liquor produced from spent grains, processing the malt and the mashing liquor to obtain a wort, fermenting the wort by using a yeast and optionally, blending with flavour(s) and/or vitamin(s)； and/or adding of sugar(s). The present invention further relates to a sport beverage obtained by said method, wherein said sport beverage is non-alcoholic or has an alcohol content of less than about 1.2 vol-%, preferably less than about 0.5 vol-%. The present invention also relates to the use of the sport beverage before and/or after physical activities.
