QUALITY GUARANTEED SINCE 1965 - All Carlson products are tested by an FDA-registered laboratory for potency and quality. NATURAL STRAWBERRY FLAVOR: Carlson Chewable Iron tablets come in delicious, natural strawberry flavor. 30 MG IRON - Each serving of Carlson Chewable Iron provides 30 mg of iron. BLOOD & IMMUNE HEALTH - Chewable Iron is a convenient way to get the iron we need to help maintain healthy blood. Every serving of Chewable Iron in delicious strawberry flavor provides 30 mg of iron to promote healthy blood, energy utilization, and immune function. CHEWABLE IRON SUPPLEMENT - Iron is an essential mineral and an important component of hemoglobin, a substance in red blood cells that carries oxygen from our lungs to the rest of our body. Hemoglobin uses about two-thirds of our body's total iron.