Calcarea gluconica, also known as calcium gluconate, is the calcium salt of gluconic acid (C₁₂H₂₂CaO₁₄). It is a white, crystalline powder used primarily as a calcium supplement in pharmaceuticals and nutrition. In medicine, it treats hypocalcemia, supports bone health in conditions like osteoporosis, aids fracture healing, and improves bone density. It also relieves muscle cramps and joint pain associated with calcium deficiency. In homeopathy, it is indicated for skeletal weaknesses and recovery. Suitable for at-risk groups such as the elderly or those with weak bones. Purity: 98%.