Solgar Gentle Iron features Iron Bisglycinate a well-tolerated form of iron that is gentle to your system. Every living cell has iron. Iron is a necessary component of hemoglobin the oxygen carrier in the blood. Iron is also important for energy utilization. However the amount of iron in the body is affected by many factors including physical attributes food restriction even exercise. Solgar Gentle Iron is free of gluten wheat dairy soy yeast sugar sodium artificial flavor sweetener preservatives and color.