The Mood Stack includes 2 bottles of 15ct MAGTECH® MAGNESIUM and 2 bottles of 15ct SEROTONIN BRAIN FOOD™ MAGTECH® MAGNESIUM - features the three types of magnesium known to have the highest absorption rates: L-Threonate, Taurate, and Glycinate. SEROTONIN BRAIN FOOD™ - is designed to support the body's natural production of serotonin, a neurotransmitter essential to mental well-being.* Supports a positive mood, promotes a sense of well-being, and relieves stress.* This natural formula contains the precursors and co-factors required for healthy serotonin metabolism.*