Extra virgin olive oil is 100% natural, high vitamin A, D, K & E content, high in polyphenols (a powerful antioxidant) that help to lower blood pressure and rich in oleic acids a monounsaturated fat that reduce the risk of heart disease by lowering bad cholesterol. Reduced in fat (30%) compared to tuna in sunflower oil. Fat content of olive oil is lower than fat content in sunflower oil.