Vitmain B-12 helps maintain healthy red blood cells and is critically involved in the cellular metabolism of carbohydtrates, fats, and proteins. The B-Complex is a specifically designed combination of B vitamins that work synergistically to maximize the benefits of vitamin B. Our B-100 Ultra B-Complex contains 100mg of each essential B Vitamin providing an equal source of important nutrients. The members of the B-Complex are critical nutrients for all things mind-related such as mood and memory. These Time Release tablets are specifically formulated to provide a gradual release of B Vitamins to provide maximum benefit throughout the day.