Many people avoid calcium supplements because of the belief that they increase the risk of kidney stones. However, urologists say this widely held assumption is not entirely supported by scientific evidence and that avoiding calcium without medical advice could affect bone health, especially among people at risk of calcium deficiency and osteoporosis. Dr Pradeep Prakash, Director of Urology, Uro-Oncology and Robotic Surgery at Yashoda Hospital, Nehru Nagar, addressed the common concern in an Instagram video, explaining whether calcium supplements actually contribute to kidney stone formation.

He said that the fear surrounding calcium supplements is often based on a misconception and that the mineral plays an important role in maintaining healthy bones. According to Dr Prakash, calcium supplements are particularly important for certain groups, including women after the age of 45, who face an increased risk of osteoporosis due to age-related bone loss. Older men can also experience reduced bone density, making adequate calcium intake an important part of maintaining skeletal health. The doctor explained that calcium itself is not the direct cause of kidney stones in most people.

Kidney stones can develop due to several factors, including genetics, dehydration, dietary habits and certain medical conditions. He advised people not to stop calcium supplements on their own due to fear of kidney stones, especially if the supplements have been recommended by a healthcare professional. Experts have often highlighted that calcium has a complex relationship with kidney stones. While excessive intake of certain supplements without guidance may contribute to risks in some individuals, adequate calcium consumption through diet or appropriately prescribed supplements is generally important for overall health.

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Calcium can also bind with oxalate in the digestive system, which may reduce the amount of oxalate available to form certain types of kidney stones. Dr Prakash emphasised that decisions regarding calcium intake should be based on an individual’s health condition, nutritional needs and medical history. People with a previous history of kidney stones or other kidney-related concerns should consult a doctor before starting or changing supplement use. Calcium plays a crucial role beyond bone strength, contributing to muscle function, nerve signalling and several essential body processes. A deficiency in calcium over time can increase the risk of weakened bones, fractures and osteoporosis-related complications.

For people concerned about kidney stones, doctors recommend focusing on preventive measures such as maintaining adequate hydration, following a balanced diet and undergoing medical evaluation when required. Regular health check-ups can help identify individual risk factors and ensure appropriate nutritional choices. The message from experts is that calcium supplements should not be avoided simply because of a common myth linking them to kidney stones. Instead, individuals should seek medical advice to determine whether supplements are necessary and how they should be taken safely based on their personal health needs.

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