Great-tasting orange citrus-flavored magnesium powder blend to help support more restful sleep. positive mood. and relaxation*. Non-GMO. gluten-free. and vegetarian formula contains 15 mg magnesium. which acts with calcium to support muscle contraction and relaxation*. Features folate and vitamin B12. cofactors in the synthesis of neurotransmitters. including serotonin. which is associated with mood. sleep. and relaxation*. Also provides vitamin B6. a factor in the body's conversion of glutamate into GABA. a neurotransmitter with calming and relaxing properties*.