The blueberry was already a fruit used by man since the sixteenth century, mainly due to its antioxidant and antibacterial properties. This small berry is at the top of the food with a higher content of antioxidants and is rich in fiber, vitamins A, B and C and minerals (Mg, Ca, P, Fe, Z, Se, Mn, U). Suitable for local action in relieving inflammation in the mouth and catarrh. It has been widely used against fevers. Power is conferred on mirtilina the antibacterial action, currently being accepted as a treatment for recurrent lower urinary tract infection, especially in juice form. Bilberry is a plant that works well in the short circulation and restoration that is used for diabetic retinopathy, renal perfusion and lack of diabetic foot. Recent research shows that the blueberry is also effective in combating free radicals and bad cholesterol in the body. The sheet has also been used in traditional medicine to treat various diseases such as diabetes. The American Institute, National Institutes of Health, recognizes as "effective possivelmete to retinal problems in people with diabetes or high blood pressure."