Not intended for use by persons under 18 or those with a medical condition. Do not use if pregnant or nursing. Consult a medical doctor before use if you had been treated for or have a family history of any medical condition including (but not limited to) cardiovascular complications, psychological disorders, diabetes, or liver or kidney disease, or if you are using any prescription or over-the-counter drug. Do not use if you are using a monoamine oxidase inhibitor (MAOI), selective serotonin reuptake inhibitor (SSRI), or any other product containing ingredients with a known stimulant effect. Do not combine with other sources of caffeine (e.g., tea, coffee, or cola beverages). Consult a medical doctor immediately if you experience irregular heartbeat, chest pain, dizziness, headache, nausea, or other similar symptoms. Do not exceed recommended daily intake. Improper use of this product will not improve results and is not advised. Use only as directed. Discontinue use 2 weeks prior to surgery. THIS PRODUCT CONTAINS CAFFEINE.