Iron with B complex syrup is a dietary supplement that is used to help replace and replenish the body's iron and B vitamin stores. It is often recommended for those who have anemia, or who have low levels of iron and B vitamins due to dietary deficiencies. Iron with B complex syrup can help increase energy levels, improve mental clarity, and promote healthy hair, skin, and nails. It is important to take this supplement as directed by your healthcare provider.