Metabolic Thyrolean is effective when used in conjunction with a reduced calorie healthy diet. Thyrolean increases metabolic rate and thyroid output for faster weight loss. It is effective when used by itself, and may also help other weight loss formulas work more effectively. Metabolic Thyrolean works on all three regulatory areas involved in metabolism. In the thyroid, Metabolic Thyrolean improves the conversion of thyroid hormones, which means that the more active hormones work for you instead of against you. It also fools the liver into thinking that you are storing plenty of ATP, which means that the liver has no reason to regulate your metabolism downward. Finally, in the brain, Metabolic Thyrolean provides the substrates to build neurotransmitters--without the need for calories. Look to Overstock.com for huge savings on all your fitness needs. **This product is non-returnable and non-refundable.**