KEEP OUT OF REACH OF CHILDREN. Not for use by individuals under 18. Do not use if you are pregnant or nursing or contemplating becoming pregnant. Consult a physician or licensed qualified health care professional before using this product if you have, are at risk for, or have a family history of stroke, heart disease, thyroid disease, liver disease, kidney disease, ulcer, diabetes, high blood pressure, caffeine sensitivity, recurrent headaches, anxiety, depression or other psychiatric condition, glaucoma, difficulty urinating, prostate enlargement, seizure disorder, or if you are allergic or contraindicated to aspirin, or if you are using any other dietary supplement, or if you are taking aspirin or blood thinning or other medication, or a monoamine oxidase inhibitor (MAOI), prescription drug or over-the-counter drug containing ephedrine or pseudoephedrine (found in some allergy, asthma, and cough/cold products). Do not exceed recommended serving or consume caffeine with this product. If serious adverse health effects, including muscle function loss, chills and vertigo occur, stop using and call a physician or licensed qualified health care professional immediately if you experience rapid heartbeat, nausea, insomnia, dizziness, severe headache, shortness of breath, upset stomach or similar symptoms. In case of overdose, seek professional assistance or contact a poison control center immediately. Discontinue use two weeks prior to surgery. Avoid alcohol and foods with tyramine (such as cheese, red wine and liver) while taking this product. Exceeding recommended serving will not improve results.