Calio 500mg Tablet is a nutritional supplement used in the treatment of calcium deficiency. It is prescribed when your diet alone cannot provide the necessary calcium your body needs. It increases the absorption of calcium and helps to prevent or treat low blood calcium levels. Calio 500mg Tablet may be taken with or without food. Take it in the dose and duration advised by the doctor. Take it regularly at the same time each day to get maximum benefits from it. Do not take it more than or longer than prescribed by the doctor, as that may cause harmful effects. It may cause constipation and upset stomach in some people. If you experience any such symptoms on taking the medicine, let your doctor know. They may be able to suggest ways to reduce or prevent the side effects. Before taking the medicine, let your doctor know if you have any preexisting medical conditions or if you are taking any other medications. This will ensure your safety to use this medicine.