The invention relates to vortioxetine hydrobromide having particle size distribution of D98 100-200μ, D50 35-90μ and D5 7-30μ as well as to a stable, reproducible and bioequivalent pharmaceutical composition comprising vortioxetine hydrobromide having particle size distribution of D98 100-200μ, D50 35-90μ and D5 7-30μ and one or more pharmaceutically acceptable excipient. It is produced by wet granulation techniques.