Dried powder solid particles are disclosed containing a probiotic microorganism and a carrier phase wherein the probiotic microorganism is encapsulated, and wherein the carrier phase further comprises at least a nutritious source. The dried powder solid particles have a particle size distribution between n and (n+400) μm, wherein n is comprised between 100 and 10,000 μm, preferably between 300 and 5000 μm, more preferably between 400 and 1000 μm.