Not intended for use by persons under age 18. Do not exceed recommended dose. Do not consume synephrine or caffeine from other sources, including but not limited to, coffee, tea, soda, and any other dietary supplements or medications containing phenylephrine or caffeine. Contains caffeine. Do not use for more than 8 weeks. Consult your physician prior to use if you are pregnant or nursing, or if you are taking medication, including, but not limited to, MAOI 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 2 weeks prior to surgery of if you experience rapid heartbeat, dizziness, severe headache or shortness of breath.