B-12 10,000 mcg Energy Boost Looking to jump-start your day with a burst of natural energy? NOW® B-12 contains a powerful blend of Vitamin B-12, along with ten of the most effective nutrients for energy utilization! With a complete B Vitamin profile, added Vitamin C, and an energizing 10,000 mcg blast of Vitamin B-12, this advanced energy formula will keep you at the top of your game! We've carefully formulated the nutrient profile in NOW® B-12 10,000 mcg Energy Boost to work synergistically, in order to keep you sharp, focused, and naturally fired-up for hours! To get the most out of your training and active lifestyle, be sure to try NOW's other high octane energy shots, including L-Carnitine 2,000 and ChocoEnergy™! These potent liquid shots are perfect for working out, important meetings, that big test, or whenever life requires you to be at your best!