Niacin, pantothenic acid, vitamin B6 and vitamin B12 contribute to normal energy-yielding metabolism and contribute to the reduction of tiredness and fatigue. Consume moderately as part of a varied and balanced diet and healthy lifestyle. 500ml contains at least 250% of these vitamin reference intakes. Consume moderately as part of a varied and balanced diet and healthy lifestyle. 500ml contains at least 250% of these vitamin reference intakes. No artificial colours.