Happy Thoughts are Ahead ½ with Natrol ½ Mood Positive ½ 5-HTP. This dual action formula combines the power of 5-HTP to promote balanced serotonin associated with well-being along with L-Theanine to support a deep state of relaxation without drowsiness. Studies show that some people suffering from emotional blues may have lower blood levels of B6 B12 and Folic Acid which are being studied for their role in maintaining emotional well-being.Other products from HerbsPro