Effects when treating varicose veins, thrombosis, and angina. Bilberry's fruit contains flavonoids and anthocyanin, which serve to prevent capillary fragility, thin the blood, and stimulate the release of vasodilators. Anthocyanin, the main ingredients are pelargonidin¡¢peonidin¡¢petunidin¡¢malvidin¡¢delphindin¡¢cyanidin and so on. A natural antioxidant, also lowers blood pressure, reduces clotting and improves blood supply to the nervous system. Bilberry also contains glucoquinine that has the ability to lower blood sugar.Dried bilberry fruit and bilberry tea has been used as a treatment for diarrhea and as a relief for nausea and indigestion. Bilberry is also used as a treatment for mild inflammation of the mucous membranes of the mouth and throat. 25kg/drum, 1kg/vaccum bag, or depend on the customer's needs.