I don't think so based on personal experience. I'm losing weight on the drug because I'm eating less. However, there is some science now to suggest that the bo

I don't think so based on personal experience. I'm losing weight on the drug because I'm eating less. However, there is some science now to suggest that the body has other means of lowering BMI and reducing fat burn when it thinks it's starving (IE - any time it's losing weight). So it could be that my body not being in a panic is also helping to lose weight. But I'd bet it's largely just less calories.