Iron - the secret to your health and energy Imagine that your body is a factory working at full capacity (to provide energy, growth, cell repair) and iron is the fuel that keeps it running. If iron reserves are depleted, you may experience weakness, heart palpitations or paler skin. Symptoms of iron deficiency include brittle nails, dry hair, shortness of breath, sleep problems, reduced concentration, cold extremities, increased frequency of infections, and anaemia (a lack of red blood cells caused by too little iron in the body), which manifests itself as extreme fatigue. With anaemia, the body is not supplied with enough oxygen and quickly becomes exhausted. Bruising can also be a sign of iron deficiency, as this mineral is important in the formation of haemoglobin, which supports the proper functioning of blood platelets. Iron is more than just a mineral; it is a key component of haemoglobin, a protein in red blood cells that also supplies oxygen to all cells in the body. Without it, our muscles would not function, our brain would work more slowly, and our immunity