Calcirega Xt Tablet is used for managing iron-deficiency anaemia by replenishing iron levels in the body. A combined iron and folic acid supplement (containing ferrous ascorbate and folic acid) designed primarily to manage iron‑deficiency and folate‑deficiency anaemia, especially common during pregnancy, lactation, or blood loss and poor nutritional intake. It works by supporting red blood cell production and DNA synthesis. Typically taken once daily on an empty stomach to maximise absorption, it may cause mild side effects like nausea, constipation, or dark stools.