Looking to jump-start your day with a burst of natural energy?  NOW® B-12 is a powerful blend of vitamin B-12 and indispensable nutrients for cellular energy utilization.* With a complete B Vitamin profile 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!*