http://www.cellucor.com/wl-system/ws1-extreme/ WS1 Extreme completes the weight loss cycle by turning locked fatty acids into free fatty acids that are then burned in the form of energy. WS1 Extreme was designed to help regulate insulin levels and therefore prevent the insulin spikes that lead to fat storage. The formula supports overall health with its enriched omega 3 complex and its abundance of vitamins and nutrients. Omega 3 fish oils have been shown to support healthy weight, reduce cholesterol, improve blood flow, and reduce the risk of heart disease. WS1 Extreme works even better when combined with D4 (less info)