Iron is a key building block of hemoglobin, which carries oxygen to every cell in your body, including your brain. Without it, even a typical workday becomes a grueling marathon accompanied by lack of concentration. StriVita Iron in the gentle form of fumarate ensures that your bloodstream functions as an efficient logistics network that supplies your brain and muscles with the fuel they need. It is an essential supplement for anyone struggling with chronic fatigue and wanting to maintain mental sharpness. Key Benefits: Oxygen for the Brain and Muscles: Iron is essential for oxygen transport, which directly affects your alertness, performance, and ability to solve complex tasks. End Chronic Fatigue: Helps eliminate feelings of weakness and exhaustion that often stem from low iron levels in the blood. Metabolic Support: Contributes to normal energy metabolism, helping the body use energy from food more efficiently. Exact composition in the daily dose (active ingredient | amount in the daily dose | % RDI*): Iron: ferrous fumarate | 20 mg | 143% * RDI = Reference intake for the average adult.