Ferric Ammonium Citrate is a complex salt of iron, ammonia and citric acid and is one of the best-tolerated iron supplements. Folic acid is a form of the water-soluble vitamin B9 and is a key factor in the synthesis of nucleic acid. It is vital for the production of healthy red blood cells. Cyanocobalamin (Vitamin B12) has a key role in the normal functioning of the brain and nervous system, and for the formation of blood. Zinc is essential for increasing immunity against infections. Interested in this product?