FERROUS GLUCONATE: is an iron supplement used for low blood levels of iron. Iron is an important mineral that the body needs to produce red blood cells. ESSENTIAL MINERAL: Our Ferrous Gluconate 324 mg tablets deliver 38 mg of elemental iron per serving which is equivalent to 211% of your recommended dietary intake. Gentle on the Stomach: Ferrous gluconate is a form of iron that generally requires less stomach acid to digest and absorb. Therefore, ferrous gluconate is gentler on the stomach than most other forms of iron supplements. MADE IN THE USA: Our product is made in a facility following strict GMP guidelines to ensure safety and quality.