Our timed release formula is designed to provide longer lasting action as the nutrients are released over an extended period of time timed release mega b 100 provides an excellent source of b vitamins to support normal energy yielding metabolism and the reduction of tiredness and fatigue thiamin b1 riboflavin b2 niacin b3 vitamin b6 and vitamin b12 also contribute to the normal functioning of the nervous system our timed release formula is designed to provide longer lasting action as