From Manufacturer''s Label:Stress & Anxiety / Day & Nite is uniquely formulated to help you relax during the day and sleep at night.**The DAY formula contains a unique blend of 5-HTP, L-Theanine and B-vitamins that support relaxation** as well as a positive mood.** Helps to reduce anxiety** and promotes a more relaxed transition to evening activities.**Melatonin, L-Glutamine as well as Valerian and Grape Seed extracts, Calcium & Magnesium all make up the NIGHT formula. Powerful antioxidants help restore and repair your body’s cells while you are sleeping.**10 day tablets. 10 night tablets.Manufactured by: Natrol