The subject of the invention is a product for human or animal consumption, in the form of food or drink, comprising between 0.2 and 50% by weight of biomass of a marine microalga and/or at least one extract of said microalga. The invention also relates to the use of this marine microalga and/or at least one extract of said microalga as a flavor booster and/or enhancer in food products or beverages.