Sentinel Iron 28mg is a dietary supplement containing 100 tablets designed to help maintain healthy iron levels in the body. Each tablet provides 28mg of iron, an essential mineral crucial for red blood cell production and oxygen transport throughout the body. Iron supplements are commonly recommended for individuals with iron deficiency or increased iron needs, such as pregnant women, menstruating women, athletes, and vegetarians. The supplement comes in an amber-colored bottle to protect the contents from light degradation. As with any supplement, it should be taken under medical supervision as excessive iron intake can be harmful. Common side effects may include stomach upset or constipation. Taking iron supplements with vitamin C can help improve absorption.