Not intended for use by persons under the age of 18. Do not exceed recommended dose. Do not consume caffeine from other sources, including but not limited to, coffee, tea, soda, and other dietary supplements or medications containing phenylephrine or caffeine. Contains caffeine. Do not use for more than 8 weeks. Consult with your physician prior to use if you are pregnant, nursing or taking medication, including but not limited to, MAO inhibitors, antidepressants, aspirin, nonsteroidal anti-inflammatory drugs or products containing phenylephrine, ephedrine, pseudoephedrine or other stimulants. Consult your physician prior to use if you have a medical condition, including but not limited to, heart, liver, kidney or thyroid disease, psychiatric or epileptic disorders, difficulty urinating, diabetes, high blood pressure, cardiac arrhythmia, recurrent headaches, enlarged prostate or glaucoma. Discontinue use 2 weeks prior to surgery or if you experience rapid heartbeat, dizziness, severe headache or shortness of breath.