, power-packed b complex with 11 b vitamins, uk’s strongest & safe for short term use, highest quality pharmaceutical grade one-a-day b complex, supports normal mental performance & the reduction of tirednessthis is without a doubt one of the strongest vitamin b formula available in the uk & as such is recommended for periods of recovery rehabilitation & convalescence from injury or illness. sportspeople could use this b-100 complex during periods of heavy or intense training or after a key race or sports event when the immune system may feel compromised & the body will be working very hard to repair & recover.high carbohydrate diets may fall short of providing the optimum levels of b vitamins required for releasing energy from food & so if you are wondering if a b complex is what you need then this product will leave you in no doubt.