1Caffeine helps to increase alertness and improve concentration.
2Caffeine contributes to an increase in endurance capacity and performance.
3Vitamins B6 and B12, niacin, riboflavin, and thiamine contribute to normal energy-yielding metabolism.
4Vitamins B6 and B12, niacin, and riboflavin contribute to the reduction of tiredness and fatigue.
5Vitamins B6 and B12 contribute to the normal function of the immune system.
6Choline contributes to normal lipid metabolism.