 Supplementation with vitamins and minerals has been shown to enhance energy production, metabolism, and mood state. It is thought that they may also aid recovery from challenging physical and psychological tasks following both acute and chronic supplementation. The present study will investigate the effects of a multivitaminmineral supplement Supradyn Energy 3RDA following a single intake and following daily intake for 4-weeks on subjective ratings of fatiguestress, metabolism and blood biomarkers of cell damage following both exercise and demanding cognitive tasks, in healthy young male and female volunteers. 