Salvat Nutira Lactase 4500 Fcc 28comp. This product is a dietary supplement that contains the enzyme lactase. Lactase is essential for breaking down lactose, a sugar found in dairy products. People who are lactose intolerant do not produce enough lactase, which can cause digestive problems after consuming dairy products. Salvat Nutira Lactase 4500 Fcc can help to improve lactose digestion and reduce the symptoms of lactose intolerance.