5-HTP (5-Hydroxytryptophan) is a drug-free and naturally occurring plant-derived amino acid that participates in the body’s synthesis of serotonin, the chemical messenger that plays a key role in enhancing mood. Natrol 5-HTP Fast Dissolve comes in wild berry flavor that tastes great and can be taken anytime, anywhere. No water needed. It is fast-acting and perfect for those that have a hard time with swallowing vitamins and supplements. Promotes a calm and relaxed mood. Helps maintain a positive outlook. Enables production of serotonin. 100% drug-free. Non-habit forming. Great tasting wild berry flavor. No water needed. 100% Vegetarian. Regular use of Natrol 5-HTP Fast Dissolve can help provide a more positive and balanced attitude needed to help you maintain a healthy outlook. Today is a good day to have a good day. Go ahead and uplift your mood with Natrol 5-HTP Fast Dissolve.