Among the properties of acai, the antioxidants it contains are especially valuable and healthy. The fruits and palm hearts are used as food, especially in Brazil. Among the antioxidants contained in the berries are the anthocyanins 3-cyanidin glycoside and 3-cyanidin glycoside coumarate, which deactivate highly reactive oxygen compounds, the free radicals. These cause harmful oxidative stress in the skin cells. Blackcurrants contain a large amount of vitamin C, citric acid, potassium, pectin and tannins. Their rich fiber content helps in case of digestive disorders. Aronia has its origins in the eastern part of North America. Already the first natives appreciated aronia berries and used them for their ability to strengthen the immune system in winter. Its berries are known for their high content of flavonoids, folic acid and vitamins C and K. Black currants contain a large amount of vitamin C, citric acid, potassium, pectin and tannins. Their rich fiber content helps in case of digestive disorders. With all these carefully selected ingredients, Clu Immune Shake supports the body's immune function.