Our immune system does a lot every day. And that is completely independent of cold winter or warm summer.A sachet supplies vitamin C and zinc as well as the vitamins B2 + niacin. Also included is sage leaf extract. Vitamin B2 and niacin contribute to the maintenance of normal mucous membranes.300 mg of vitamin C and 5 mg of zinc contribute to a normal function of the immune system. In addition, they help protect cells from oxidative stress.Sage has long been appreciated in southern Europe and the eastern Mediterranean - but the ancient Egyptians were already familiar with the plant. The fresh or dried leaves of sage are characterized by an aromatic taste.Since our body has certain nutrients, like vitamin C and the trace element zinc as well as vitamin B2 and niacin, can not produce itself, it is dependent on a regular supply with the food.