The theme “What is natural food” gathered together people from Finnish food industry, research organizations and media to discuss about naturalness of food in Nutritech seminar on 24th January. Naturalness is an upward trend among consumers. But what is actually natural food nowadays? How has the conception of naturalness changed? What makes ingredients and food production methods natural? Can processed food or additives be natural? And on the other hand, what is natural food for our gut microbiota.