Dr. Nicole de Wit is a senior research scientist at Wageningen Food & Biobased Research with major expertise in gut physiology and human health. For many years she was active in molecular science, studying the metabolic effects of food along the intestinal tract. Nowadays, she focusses more on food clinical trials to acquire up-to-date knowledge on the interaction between ingredients (e.g. on dietary fibre), food products, diets and human health.