Hectic lifestyles have resulted in a culture of eating "on the run” and food choices determined by convenience rather than nutritional value. In these circumstances it is hardly surprising that many people find that their energy levels are far from optimal. Nutrients are a vital part of the process of generating energy and a diet lacking in any of these nutrients can result in tiredness and lethargy. Supplementing with the key nutrients needed to convert food to energy, including B vitamins and coenzyme Q10, can help make up any dietary shortfalls and promote vitality.