Efficacy: Improve sleep cycle, allow the brain to sleep and recharge throughout the night, improve sleep quality, and increase work efficiency. Melatonin supplements may help improve sleep quality in adults whose melatonin levels naturally decline with age. Security Information If you are pregnant, nursing, taking any medications or have any medical condition, please consult your physician before use. If any adverse reactions occur, discontinue use and consult a physician. See product label for full warnings. raw material melatonin. Other ingredients: theanine, vitamin c, chamomile, lemon balm, etc. route For adults, take one (1) instant capsule 30 minutes before bed, as melatonin may cause drowsiness. To assess tolerance, start with 1/2 tablet. Do not exceed the recommended dose of 1 tablet per day.