5-Hydroxytryptophan (5-HTP) is an amino acid that is found in nature and functions as a precursor to serotonin, an essential neurotransmitter involved in sleep and mood regulation. The dietary amino acid tryptophan is converted by the organism into 5-HTP. After 5-HTP has been synthesized, it undergoes a cerebral conversion into serotonin. Serotonin is commonly referred to as the "feel-good" neurotransmitter due to its role in promoting emotions of contentment and joy. Certain individuals utilize 5-HTP supplements in an attempt to elevate serotonin levels in the brain, which may ameliorate the symptoms of anxiety, depression, and insomnia. It is essential to note, however, that the safety and efficacy of 5-HTP supplements can vary; before beginning treatment, individuals should consult a healthcare professional. Additionally, adverse effects and potential drug interactions are possible with these supplements; therefore, it is imperative that you use them under the supervision of a healthcare professional.