Genestra Iron supports hemoglobin and myoglobin function • Helps to form red blood cells • Helps to prevent iron deficiency anaemia. Iron deficiency is the leading cause of anaemia and the most prevalent single nutrient deficiency worldwide, affecting more than 3 billion people. Clinical research has shown that supplementation is an effective strategy to improve symptoms related to iron deficiency, such as fatigue, headaches, dizziness and quality of life.