Never worry about your vitamin intake again with Jamieson Vitamins. A trusted Canadian company that has been Canada's number one choice since 1922. If you ever found yourself lacking vitamins or vitamin absorption, Jamieson Vitamins Vitamin B12 250 MCG is the supplement for you. Methylcobalamin is an advanced source of vitamin B12, and Jamieson B12 tablets are formulated exclusively to allow faster absorption. These tablets also convert carbs, proteins, and fats to energy. Become naturally energized throughout the day by simply taking one tablet with a meal.