- There are several day to day problems and ailments we appear to tolerate and live with, by way of example Moodiness, Sleeplessness, Lower Energy, Mild Depression, Low Concentration and Poor Memory. We don't need to tolerate these issues at all, to stop all or any of these you only need to take one little tiny tablet of Vitamin B Complex High Strength and these kinds of ailments will be a thing of the past.