Qi-tonifying, kidney-tonifying and fatigue-relieving liquid beverage and preparation method thereof

The invention belongs to the technical field of functional foods, and relates to a qi-tonifying, kidney-tonifying and fatigue-relieving liquid beverage and a preparation method thereof. Specifically,the liquid beverage is prepared from the following components: ginseng powder, Chinese wolfberry powder, polygonatum kingianum powder, kudzuvine root powder, nicotinic acid, blueberry powder, pomegranate juice powder, fructo-oligosaccharide, maltooligosaccharide, nisin and water. Extracts from various medicinal and edible raw materials are added into the formula of the liquid beverage, and synthesis of glycogen and energy, metabolism performance and oxidative stress regulation are comprehensively promoted, so that the effects of improving endurance, delaying fatigue and the like are achieved,and meanwhile, nicotinic acid is matched to further promote elimination of metabolites and accelerate fatigue relieving. Furthermore, the liquid beverage also has the advantages of no additive, low calorie, good taste, direct