WARNING: Not for use by individuals under the age of 18 years. Do not use if you are pregnant or nursing. 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 using any other dietary supplement, 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.