Natrol 5-htp mood & stress dietary supplement brings 50 mg. Of calming nutrients to your daily diet that may help alleviate symptoms of occasional anxiety. 5-htp helps your body produce serotonin to potentially relieve tension, improve your mood and keep you feeling calm. We formulated this supplement without any addictive ingredients or drugs to create a non-habit forming result. This bottle contains 30 dietary supplement capsules.