probal-DX 600 mg Tablet is a dietary supplement manufactured by Square Pharmaceuticals Ltd., combining Calcium Carbonate (600 mg) and Vitamin D₃ (400 IU). Calcium is essential for maintaining strong bones and teeth, while Vitamin D₃ enhances calcium absorption and supports bone health. This combination is used to prevent and treat conditions associated with calcium and Vitamin D deficiencies, such as osteoporosis, osteomalacia, rickets, and hypoparathyroidism. It is also beneficial during periods of increased calcium demand, including pregnancy, lactation, and in the elderly.