The effects of the ingestion of 20% fat-cream cheese with a breakfast on glycaemic and insulinaemic responses of male healthy volunteers have been studied in two experiments with 12 subjects each. The results indicate that as few as 100 g cream cheese significantly decrease the maximal glycaemic value and the area under the glucose curve, when compared with a standard french breakfast. Increasing the ingested amount of cream cheese has no further effect on the responses. The possible mechanisms are evoked.