Wolfena, the Lipo 6 is loaded with stimulants. You noticed the caffiene, but it also has bitter orange (Synephrine) in it, which is one of the Consumer Reports Dirty Dozen of most dangerous supplements. Besides the dangerous combination of stimulants, there's nothing really in the pills that has been proven to help with weight loss. Please be careful with your dosages, and see your physician if you notice anything wonky. Potential side effects include high blood pressure, increased risk of heart arrythmias, heart attack, seizures, or even stroke.