A multilayer microencapsulated lactic bacteria and bifidobacteria, preferably bacteria with probiotic activity, and the use thereof to prepare a food product, supplement product, medical device or pharmaceutical composition or water- and/or fruit-based beverage are described. A process for preparing multilayer microencapsulated lactic bacteria and bifidobacteria, preferably bacteria with probiotic activity is described. A food product is described selected from water, water- and/or fruit-based beverages, milk, fresh whole milk, partially skimmed milk, powdered milk, cheese, fresh cheese, aged cheese, grated cheese, butter, margarine, yogurt, cream, milk- and chocolate-based custards, custards for sweets, jams and oily suspensions having bacteria, preferably multilayer microencapsulated lactic bacteria and bifidobacteria with probiotic activity.