Nitro2Go Firepower Energy Formula is a vitamin-enhanced natural powerful long-lasting energy supplement. The fast-acting formula helps Increase your Physical Endurance and improve your stamina, mental alertness, and vitality. It’s pack with Vitamin B complex, Vitamin C, and Vitamin E, Folic Acid, Zinc, and other energy-producing ingredients. It is specifically formulated to provide the boost to get you through your day. Each serving lasts up to 7 hours.