If you have slowly gone from feeling spunky and brisk to feeling exhausted and struggling to climb the stairs, iron insufficiency might be to blame. It’s the nearly all nutritional deficiency in the United States and especially in women are at top risk than men. You’re with authorization weak when there isn’t enough iron in your body to make the necessary amount of hemoglobin. Hemoglobin is the most essential component of red blood cells and acts like a transportation system for oxygen in your body. When your body doesn’t have enough iron to generate hemoglobin, your red blood cell count will drop and make it more complicated for your tissues to get the oxygen you need, commonly leading to fatigue and shortness of breath.