Cranberry supports autoimmune system and helps protecting against chronic diseases such as cancer, as well as reducing negative effects of aging. It helps fighting against breast cancer, colon cancer, prostate cancer, lung cancer, and other tumors. Also it helps eliminating proliferation of existing tumors and carcinogen cells. It has positive effects on cardiovascular system. It reduces atherosclerosis risk. Based on the studies, it is known that daily use of cranberry reduces the diseases may occur as the result of oxidation. Stomach-friendly cranberry helps suppressing nausea and cramps as well as ulcer. It is cardiovascular friendly. It has inhibiting effects against cardiovascular diseases and infection. It has a significant role in herbal treatment of allergy. It plays a significant role in inhibiting rheumatoid arthritis.