WARNING: NEVER EXCEED RECOMMENDED DOSAGE of Royal XXI King™. Not intended for use by individuals less than 21 years of age. This product is intended for use by healthy adults between 21-55 years of age. Before consuming Royal XXI King seek advice from a physician if you are unaware of your current health condition or planning any medical procedures. This product contains caffeine and synephrine. Do not use with any other products that contain synephrine or phenylephrine. DO NOT USE Royal XXI King if you have any pre-existing medical condition. This includes, but is not limited to: cardiac arrhythmia, high or low blood pressure, heart, liver, kidney or thyroid disease, recurrent headaches, seizure disorder, anxiety, depression, psychiatric or epileptic disorders, diabetes, pernicious anemia, difficulty urinating, enlarged prostate, glaucoma or if you are taking a MAO inhibitor, anti-depressants, aspirin, non-steroidal anti inflammatory drugs or products containing ephedrine, pseudoephedrine or other medications or over the counter drugs containing stimulants or any other medication. DO NOT USE if you are pregnant or nursing, prone to dehydration, exposed to excessive heat or have an allergy to iodine. Discontinue use immediately and call a physician if you experience chest pain, tremors, dizziness, severe headaches, nausea, irregular heartbeat or shortness of breath. Consume a minimum of 130 ounces of water daily in conjunction with a healthy diet and regular exercise. KEEP OUT OF REACH OF CHILDREN AND PETS. Too much caffeine can cause nervousness, irritability, sleeplessness and rapid heart beat.