For healthy adults only. Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition. Do not use if seal is broken. Avoid taking on an empty stomach or less than 4 hours before bedtime. If you experience discomfort, discontinue use and contact us for a full refund. Contains caffeine: too much caffeine may cause nervousness, irritability, sleeplessness, and, occasionally, rapid heartbeat, dizziness, nausea, and stomach pain. Keep this product and all supplements out of reach of children .