Not intended for use by persons under 18. Do not use if pregnant or nursing. Discontinue use and consult your doctor if sleeplessness persists for longer than two weeks, as insomnia may be a symptom of a more serious medical condition. Do not exceed recommended serving. Consult a medical doctor before use if you have been treated for, diagnosed with, or have a family history of any medical condition, or if you are using any prescription or over-the-counter drug(s), including blood thinners. Do not use with other sources of melatonin or caffeine. Do not use in conjunction with alcoholic beverages, when driving a vehicle, or while operating machinery. Do not use if packaging has been tampered with. Store in a cool, dry place (60ºF to 80ºF). Keep out of reach of children.