Sentinel Iron 28 Mg is a dietary supplement containing 100 tablets designed to help maintain healthy iron levels in the body. Each tablet provides 28 mg of iron to support red blood cell production and prevent iron deficiency anemia. Iron supplements should be taken under medical supervision. Common side effects may include stomach upset, constipation or dark stools. For better absorption, it's recommended to take iron supplements with vitamin C. Certain groups like pregnant women, menstruating women, vegetarians and athletes may have increased iron needs and should consult their healthcare provider about appropriate supplementation. Store in a cool, dry place away from direct sunlight. Keep out of reach of children.