Not intended for persons under 18 years of age. Do not exceed recommended serving. Do not use if pregnant or nursing. Consult a physician before using this product if you have any pre-existing medical conditions, including high blood pressure, heart or thyroid problems, nervous disorders, diabetes, or are taking any medication. Contains caffeine. Do not consume caffeine from other sources, including but not limited to coffee, tea, soda and other dietary supplements or medications containing caffeine. After 12 weeks of use, discontinue for at least 4 weeks.