Metabolife Extreme Energy helps you to overcome the fatigue that often accompanies weight loss due to decreased caloric intake, helping keep you energized, mentally alert, and motivated to continue with your diet and exercise plan. Metabolife Extreme Energy contains a proprietary blend of Guarana extract, Asian ginseng extract, Green tea extract, Yerba Mate extract, Eleuthero extract, Rhodiola extract, and Theanine that works synergistically to help increase energy, improve mental alertness and increase metabolism. Supports Weight Management. Increases Energy. Improves Mental Alertness. Increases Metabolism.