Iron certainly does impact energy levels. It plays a crucial role in energy production and overall vitality. It is an essential component of hemoglobin, the protein in red blood cells responsible for carrying oxygen from the lungs to the body's tissues.
Oxygen is a vital component in cellular respiration, the process by which cells generate energy. Iron enables red blood cells to transport oxygen effectively, ensuring optimal oxygenation of tissues and organs.
Inadequate iron levels, as seen in iron deficiency anemia, can impair the oxygen-carrying capacity of the blood, leading to reduced energy levels, fatigue, and weakness. Research has shown a direct correlation between iron deficiency anemia and decreased energy levels. For example, a study published in the BMJ found that correcting iron deficiency in non-anemic women resulted in improvements in physical performance and energy levels.
Iron supplementation or dietary changes aimed at increasing iron intake can help replenish iron stores, enhance oxygen transport, and boost energy levels in individuals.
References:
Verdon, F., Burnand, B., Stubi, C. L., Bonard, C., Graff, M., Michaud, A., Bischoff, T., de Vevey, M., Studer, J. P., Herzig, L., Chapuis, C., Tissot, J., Pécoud, A., & Favrat, B. (2003). Iron supplementation for unexplained fatigue in non-anaemic women: double blind randomised placebo controlled trial. BMJ (Clinical research ed.), 326(7399), 1124. https://doi.org/10.1136/bmj.326.7399.1124
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