Functional foods: while the term may sound very millennium, you have undoubtedly seen, if not tried some yourself. Functional foods are of course still foods, but they have been designed, to offer a particular health benefit over and above the traditional nutrients they contain.As nutrition science is moving from the concept of "adequate nutrition" to "optimal nutrition", new food products, which have the potential to improve mental and physical wellbeing and which may also reduce the risk of diseases, are being developed.