Calcirol BMD Sugar Free Oral Solution 5 ml is a combination medicine primarily used to treat nutritional deficiencies, low calcium levels (hypocalcaemia), osteoporosis, osteomalacia (Rickets), and vitamin D deficiency. This medicine works by increasing the calcium and vitamin D levels in the body and regulates bodily functions, thus providing essential nutrients necessary for bone formation and maintenance. Common side effects include constipation, nausea, vomiting, and stomach upset.