Sisu Gentle Iron - 25 mg - Elemental iron from the bisglycinate form for better absorption and easier on the stomach. Iron deficiency is the most common nutrient deficiency in the industrial world. Up to 50 percent of adolescent girls, pregnant women, and elderly people suffer from iron-deficiency anemia, and up to 60 percent of healthy young women are living with daily tiredness and sadness associated with mild iron deficiency. Vegetarians and people who don’t eat a balanced diet can also suffer from iron deficiency. A supplement is a simple and reliable option for maintaining healthy levels of this essential mineral.