Listen to Serotonin Increase online. Serotonin Increase is an English language song and is sung by Serenity Music Zone. Serotonin Increase, from the album Chill Your Mind – Soothing Nature Music for Relaxation, Spa, Yoga, Pilates, was released in the year 2017. The duration of the song is 3:37. Download English songs online from JioSaavn.