Used as a dietary supplement to support serotonin production in the body, which helps regulate mood, sleep, and appetite. Commonly taken to help manage symptoms of depression, anxiety, and insomnia. Also used to support weight management by promoting a feeling of fullness. Found in some sleep aids due to its role in melatonin synthesis. Often used as a natural alternative to traditional antidepressants, though it should be used with caution when combined with other serotonergic drugs due to risk of serotonin syndrome.