Can Exercise Lower Kidney Stone Risk?
Kidney Stones—You know when you know.
If you’ve ever had a kidney stone, you know just how painful it can be. Kidney stones form when certain minerals and salts in your urine build up and stick together, creating hard deposits (National Institute of Diabetes and Digestive and Kidney Diseases [NIDDK], 2023). They can range in size from a grain of sand to something much larger, and passing them is no fun.
The good news? There are many ways to lower your risk of stones, and one of the most powerful tools is something you might already be working on: regular exercise (Ferraro et al., 2014). While most people think first about diet and drinking plenty of water (which are very important!), exercise plays an important role in keeping your kidneys healthy too (Curhan, 2007). Whether you’re trying to avoid your very first stone or prevent another one from forming, being active can make a real difference.
Why Exercise Matters for Kidney Stone Prevention
Exercise Helps with Healthy Weight
Being overweight is one of the biggest risk factors for kidney stones. Extra weight can change the chemistry of your urine, leading to higher levels of calcium, uric acid, and oxalate—all of which increase the chance of stone formation (Taylor et al., 2005; Curhan, 2007). Regular physical activity helps manage body weight and supports metabolic health, lowering kidney stone risk while improving overall well-being (Ferraro et al., 2014).
Exercise Encourages Better Hydration
The most effective way to prevent kidney stones is adequate hydration. When fluid intake is sufficient, urine becomes less concentrated, making crystal formation less likely (Borghi et al., 1996). People who engage in regular physical activity tend to be more mindful of fluid intake before, during, and after exercise, reinforcing hydration habits that directly support kidney health (Ferraro et al., 2014).
Exercise Keeps Calcium in Your Bones (Instead of Your Urine)
Physical inactivity can lead to increased bone resorption, allowing calcium to move from bones into the urine and raise stone risk (Kok et al., 1988). Weight-bearing and resistance exercises help preserve bone mineral density and promote skeletal calcium retention, which benefits both bone health and kidney stone prevention (Weaver et al., 2016).
Exercise Improves Kidney Function
Exercise enhances circulation throughout the body, improving blood flow to vital organs, including the kidneys. Improved renal perfusion supports efficient filtration and reduces the accumulation of waste products that can contribute to stone formation (Green et al., 2017).
Exercise Reduces Inflammation and Stress
Chronic low-grade inflammation has been associated with increased kidney stone risk (Petersen & Pedersen, 2005). Psychological stress can also affect mineral metabolism through hormonal pathways (Salmon, 2001). Regular physical activity reduces inflammation and stress hormones, helping maintain a healthier internal environment (Petersen & Pedersen, 2005).
Why Exercise Helps If You’ve Already Had a Kidney Stone
Once a person experiences a kidney stone, the likelihood of recurrence is high—up to 50% within five years (Scales et al., 2012). For this reason, clinical guidelines emphasize long-term lifestyle modifications following a stone event (European Association of Urology [EAU], 2024).
Exercise contributes to prevention and recovery in several ways:
Lower recurrence risk: Higher levels of physical activity are associated with reduced risk of recurrent kidney stones (Ferraro et al., 2014).
Better recovery: After stone passage or surgical treatment, gradual return to physical activity improves strength and energy levels (American Urological Association, 2016).
Mental health benefits: Exercise improves mood and reduces anxiety related to fear of stone recurrence (Salmon, 2001).
Supports dietary changes: Physical activity enhances metabolic efficiency and complements dietary recommendations such as reducing sodium and moderating animal protein intake (Curhan, 2007).
Simple and Safe Exercise Tips
You don’t need extreme workouts to gain kidney-protective benefits. Moderate, consistent physical activity provides meaningful health improvements (World Health Organization [WHO], 2020).
Aim for at least 30 minutes of moderate activity daily, such as brisk walking, cycling, or swimming (WHO, 2020).
Include strength training twice weekly to support bone health and calcium balance (Weaver et al., 2016).
Maintain hydration during exercise, replacing fluids lost through sweat to avoid increasing stone risk (Borghi et al., 1996).
Choose enjoyable activities to improve long-term adherence (WHO, 2020).
Begin gradually, especially if you’ve been inactive, to reduce injury risk and support sustainability (WHO, 2020).
The Bottom Line
Kidney stones are painful but often preventable. Alongside adequate hydration and balanced nutrition, regular exercise is a powerful tool for reducing kidney stone risk (Ferraro et al., 2014; Curhan, 2007).
For individuals with a history of kidney stones, exercise plays a role not only in prevention but also in recovery, emotional well-being, and lowering recurrence risk (EAU, 2024). Whether it’s walking, yoga, or cycling, staying active is one of the most effective ways to support kidney health and overall wellness.
CERO Multi® was developed with these considerations in mind—designed to complement, not replace exercise, hydration, nutrition, and healthy lifestyle choices. When used thoughtfully alongside adequate fluid intake and dietary guidance, kidney-aware supplementation may support healthier urine chemistry without introducing excessive stone-promoting nutrients.
Key Points:
Exercise helps prevent kidney stones by: supporting healthy weight, encouraging better hydration, keeping calcium in your bones (and out of your urine), Improving kidney function and reducing inflammation and stress
For people who’ve already had a kidney stone, exercise lowers recurrence risk, helps with recovery, boosts mood, and works alongside dietary changes.
References
American Urological Association. (2016). Surgical management of stones: American Urological Association guideline. American Urological Association.
Borghi, L., Meschi, T., Amato, F., Novarini, A., Romanelli, A., & Cigala, F. (1996). Urinary volume, water intake, and recurrence of idiopathic calcium nephrolithiasis: A 5-year randomized prospective study. Journal of Urology, 155(3), 839–843.
Curhan, G. C. (2007). Epidemiology of stone disease. Urologic Clinics of North America, 34(3), 287–293.
European Association of Urology. (2024). EAU guidelines on urolithiasis. European Association of Urology.
Ferraro, P. M., Taylor, E. N., Gambaro, G., & Curhan, G. C. (2014). Physical activity, energy intake, and the risk of incident kidney stones. Journal of Urology, 191(4), 882–888.
Green, D. J., Hopman, M. T. E., Padilla, J., Laughlin, M. H., & Thijssen, D. H. J. (2017). Vascular adaptation to exercise in humans: Role of hemodynamic stimuli. Journal of Physiology, 595(15), 5003–5015.
Kok, D. J., Papapoulos, S. E., Blomen, L. J., & Bijvoet, O. L. M. (1988). Modulation of calcium oxalate monohydrate crystallization kinetics in urine by dietary and physical factors. Kidney International, 34(3), 346–350.
National Institute of Diabetes and Digestive and Kidney Diseases. (2023). Kidney stones in adults. U.S. Department of Health and Human Services.
Petersen, A. M. W., & Pedersen, B. K. (2005). The anti-inflammatory effect of exercise. Journal of Applied Physiology, 98(4), 1154–1162.
Salmon, P. (2001). Effects of physical exercise on anxiety, depression, and sensitivity to stress. Clinical Psychology Review, 21(1), 33–61.
Scales, C. D., Jr., Smith, A. C., Hanley, J. M., & Saigal, C. S. (2012). Prevalence of kidney stones in the United States. European Urology, 62(1), 160–165.
Taylor, E. N., Stampfer, M. J., & Curhan, G. C. (2005). Obesity, weight gain, and the risk of kidney stones. JAMA, 293(4), 455–462.
Weaver, C. M., Gordon, C. M., Janz, K. F., Kalkwarf, H. J., Lappe, J. M., Lewis, R., O’Karma, M., Wallace, T. C., & Zemel, B. S. (2016). The National Osteoporosis Foundation’s position statement on peak bone mass development. Osteoporosis International, 27(4), 1281–1386.
World Health Organization. (2020). WHO guidelines on physical activity and sedentary behaviour. World Health Organization.
