* Dietary Supplement * Liquid Nutrients * Sustaining Energy Supplement Energy Xtension is a potent energizing supplement that works with your body to improve endurance and increase physical and mental working capacity. This fast-acting liquid formula delivers stabilized energy and enhanced mental alertness without over-stimulating the system as many energy drinks do. There is no yoyo effect from harsh stimulants. Energy Xtension offers improved metabolism, decreased fatigue and increased stamina to achieve your body"s full performance potential.