A lack of energy is a common issue for many people, and yet it often goes overlooked. The causes of energy depletion vary from person to person and are often caused by glandular imbalances or poor oxygenation of the blood. If you're in need of more energy, seeking a professional consult may be the best course of action as the remedies to replenish energy levels will also vary depending on each individual's underlying cause. Putting in effort to find out why energy is lacking can help provide more energy for daily life as well as better health in the long run.