Do Magnesium Supplements Cause Kidney Stones? A Simple Truth Check

Posted by Alerna Kidney Health on

  • Magnesium supports vital functions like heart rhythm, bone health, and muscle relaxation, making it crucial for overall well-being.
  • Various foods like nuts, seeds, leafy greens, and whole grains provide natural magnesium intake.
  • Claims of magnesium supplements causing kidney stones lack solid scientific evidence, and moderate magnesium intake might even reduce stone risk.
  • Medical professionals stress balanced diets, hydration, and mindful supplementation for kidney health, with some studies suggesting magnesium's protective role.
  • Consulting healthcare providers is vital when combining magnesium with other supplements, especially for those with kidney issues.

In the pursuit of a healthier lifestyle, many individuals are turning to natural remedies and supplements to support their well-being. Magnesium, a crucial mineral with a range of benefits, has gained significant attention. However, concerns have arisen about its potential connection to kidney stones. In this article, we'll explore the world of magnesium, its role in the body, its sources, and whether there's any truth to the claim that magnesium supplements can lead to kidney stones.

What is Magnesium?

Magnesium is a mineral that plays a pivotal role in various bodily functions. It's involved in over 300 enzymatic reactions1 , affecting everything from energy production to muscle and nerve function. This essential mineral can be found in nuts, seeds, leafy greens, and whole grains.

Woman eating leafy greens with magnesium.

What Is The Role of Magnesium In The Body?

Magnesium is like the unsung hero of your body, quietly supporting numerous vital functions.1

  • Bone Health: Magnesium plays a crucial role in supporting bone health, aiding in forming and maintaining strong bones.
  • Heart Rhythm: Maintaining a normal heart rhythm is vital for cardiovascular health, and magnesium contributes to this by helping regulate heart contractions.
  • Blood Sugar Regulation: Magnesium assists in regulating blood sugar levels, contributing to better insulin sensitivity and overall metabolic function.
  • Immune System Support: A healthy immune system is essential for preventing illnesses. Magnesium supports immune function and helps the body defend against infections.
  • Muscle Relaxation: Magnesium's role in muscle relaxation is significant, as it helps prevent muscle cramps and spasms. This relaxation effect extends to promoting overall relaxation and reducing stress.

Incorporating magnesium-rich foods and maintaining an adequate magnesium intake can contribute to supporting these essential functions in your body.

Top Sources of Magnesium

Getting enough magnesium from your diet is critical.2 Fortunately, there's a variety of delicious sources to choose from:

  • Nuts: Almonds and cashews are magnesium-rich options that provide healthy fats and proteins.
  • Seeds: Pumpkin and sunflower seeds are crunchy, flavorful, and packed with magnesium.
  • Leafy Greens: Spinach, kale, and Swiss chard are excellent sources of magnesium and other essential nutrients.
  • Whole Grains: Whole grains like brown rice, quinoa, and oats offer magnesium and dietary fiber.
  • Dark Chocolate: Indulge in some dark chocolate (preferably with high cocoa content) to satisfy your sweet cravings while adding to your magnesium intake.

Incorporating these magnesium-rich foods into your diet can help you naturally boost your magnesium levels and support your kidney health.

Top sources of magnesium.

How Much Magnesium Does Our Body Need?

The recommended daily allowance of magnesium3 varies by age and gender. Adult women should aim for about 310-320 mg on average, while adult men require around 400-420 mg. Pregnant and lactating women need a bit more. Meeting this requirement through a balanced diet is generally the best approach.

Types of Magnesium Supplements

Supplements can be an option for those who struggle to meet their magnesium needs through diet alone. Consider these various types of magnesium supplements4 , each with its unique characteristics:

  • Magnesium Citrate: Known for its relatively high bioavailability, it is often used to support digestion and promote regular bowel movements.
  • Magnesium Oxide: This form contains a higher percentage of elemental magnesium, although it may have lower absorption rates than other forms. It's commonly used to alleviate occasional constipation.
  • Magnesium Glycinate: This form is chelated with the amino acid glycine, potentially enhancing absorption and minimizing the laxative effect often associated with magnesium supplements.

Remember, the choice of magnesium supplement should align with your specific health goals and preferences. Consulting a healthcare professional can help you determine the type best suits your needs.

The Alleged Link: Does Magnesium Cause Kidney Stones?

In the realm of health and wellness, misinformation can sometimes overshadow the facts. One such concern that has raised eyebrows is the claim that magnesium supplements can lead to the formation of kidney stones. However, examining this assertion in light of scientific evidence and expert opinions is crucial.

When diving into the pool of scientific literature, it becomes evident that the evidence linking moderate magnesium supplementation to kidney stones needs to be more extensive. While some studies have explored the potential connections between certain types of supplements and kidney health, the overall picture needs to be more definitive.

Reputable medical organizations like the National Kidney Foundation underscore the multifactorial nature of kidney stone formation5, highlighting the need to consider factors such as genetics, diet, hydration, and other lifestyle choices.

Expert Opinions: What Do Medical Professionals Think?

Medical professionals, including urologists and nephrologists, share their insights on the connection between magnesium supplements and kidney stones:

In a study by Haewook Han, entitled Nutritional Management of Kidney Stones (Nephrolithiasis), 6 it was found that magnesium might have a protective role in reducing the risk of stone formation. The study found that magnesium can potentially form a complex with oxalate, a precursor to kidney stones, leading to a decrease in the concentration of calcium oxalate (SSCaOx) in the urine.

This phenomenon occurs due to magnesium binding with oxalate in the gastrointestinal tract, resulting in a reduction of oxalate absorption. This suggests that moderate magnesium intake could play a role in preventing certain types of kidney stones.

However, medical professionals emphasize the significance of a holistic approach to kidney health. In a study led by Jacek Rysz7, it was found that a specific kidney-friendly diet could contribute to safeguarding kidneys from further damage.

These medical experts echo the sentiment that a well-rounded diet, hydration, and sensible supplementation are crucial factors in maintaining kidney health. It's essential to approach supplements with a balanced perspective, and consulting with a healthcare professional can provide personalized guidance.

Can  magnesium supplements cause kidney stones?

Can Magnesium Really Help In Preventing Kidney Stones?

Interestingly, some studies suggest that magnesium might actually play a role in reducing the risk of kidney stones. Magnesium can bind to oxalate in the digestive tract, which is a precursor to kidney stones. By doing so, magnesium may help prevent the formation of certain types of stones. However, more research is needed to understand this potential benefit fully.

Balancing Magnesium Intake: How Much Is Right for You?

Maintaining the right balance of magnesium is crucial. Too much magnesium from supplements can lead to diarrhea, nausea, and abdominal cramps. To ensure you're getting the right amount, consult with a healthcare professional. They can assess your individual needs and recommend an appropriate dosage.

Magnesium Supplements Side Effects

While magnesium supplements offer potential health benefits, it's essential to be aware of potential side effects when not taken as directed. Common side effects include:

  • Digestive Issues: Some individuals may experience upset stomach, nausea, or diarrhea when taking magnesium supplements, particularly if taken on an empty stomach.
  • Laxative Effect: Certain forms of magnesium, such as magnesium citrate, are known for their laxative effect. This can be helpful for relieving constipation but may also lead to excessive bowel movements.

Supplement Wisely: Tips for Taking Magnesium Safely

Selecting the right magnesium supplement and incorporating it into your routine requires careful consideration:

  • Choose Reputable Brands: Opt for supplements from well-known and trusted brands. Look for supplements that undergo third-party testing for quality and purity.
  • Type of Magnesium: Different types of magnesium supplements have varying absorption rates and effects. Research the different forms, such as citrate, oxide, or glycinate, to find one that aligns with your goals.
  • Start Slowly: Begin with a lower dosage and gradually increase it as needed. This approach helps your body acclimate to the supplement and minimizes the risk of digestive discomfort.
  • Observe Your Body: Pay attention to how your body responds to the magnesium supplement. If you experience any adverse effects, consider adjusting the dosage or trying a different form.

Ensuring Proper Dosage: Magnesium Recommendations

Determining the right dosage of magnesium supplements4 depends on individual factors such as age, sex, health conditions, and dietary intake. As a general guideline:

  • For most adults, a daily magnesium intake of around 100-350 mg is considered safe and beneficial.
  • Pregnant and lactating women may require higher magnesium intake, so consulting a healthcare professional is advisable.

However, it's essential to keep in mind that individual needs can vary. Consulting a healthcare provider before starting any new supplement regimen is crucial to ensure you're taking the appropriate amount for your unique circumstances.Combining other supplements with magnesium.

Combining Magnesium with Other Supplements

If you're considering taking magnesium alongside other supplements, it's advisable to consult a healthcare provider.8 Some supplements can interact with each other, affecting absorption or effectiveness. Here are a few considerations to keep in mind:

  • Professional Guidance: When creating a supplement regimen, involving a healthcare professional is essential. They can provide insights into potential interactions and guide you in selecting supplements that complement each other.
  • The Role of Chanca Piedra: If you're exploring kidney stone prevention, you might also be considering natural alternatives like Chanca Piedra.9 While some studies suggest its potential benefits, it's important to discuss its integration into your regimen with a healthcare provider.
  • Potassium Citrate: Another supplement often used in kidney stone management is Potassium Citrate.10 It's crucial to emphasize that Potassium Citrate should only be taken under medical supervision, as the dosage needs to be carefully adjusted based on individual needs.


By collaborating with a healthcare provider, you can ensure that your supplement plan is tailored to your specific health goals, medical history, and any potential interactions. Their expertise will guide you toward a safe and effective supplement regimen that optimizes your overall well-being.

Remember, the aim of combining supplements is to enhance your health, and a healthcare professional's input is invaluable in achieving this goal.

Seeking Professional Guidance: When to Consult a Healthcare Provider

If you have a history of kidney issues, kidney stones, or other medical conditions, it's essential to consult a healthcare provider before taking magnesium supplements. They can evaluate your health status, provide personalized recommendations, and ensure that your supplement choices align with your overall health goals.


In the realm of natural kidney health, magnesium plays a noteworthy role. While concerns about magnesium supplements causing kidney stones have circulated, the evidence supporting this claim is limited. In fact, magnesium in moderate amounts may even have a protective effect against kidney stones. As with any health decision, it's wise to approach magnesium supplementation with moderation and knowledge. When in doubt, seek the guidance of a healthcare professional to ensure you're making the best choices for your kidney health journey.

Magnesium and Kidney Stones: FAQs

Can magnesium form kidney stones?

No substantial scientific evidence supports the claim that moderate magnesium intake can lead to the formation of kidney stones. In fact, some studies suggest that magnesium might have a protective role by binding to oxalate in the digestive tract, potentially reducing the risk of certain types of kidney stones.

Is magnesium good for the kidneys?

In moderation, magnesium plays a beneficial role in kidney health. It contributes to various bodily functions, including maintaining heart rhythm, bone health, and muscle relaxation. However, excessive intake of any nutrient, including magnesium, should be avoided, as imbalances could impact overall health.

Does magnesium remove oxalates?

Magnesium can potentially bind to oxalate in the gastrointestinal tract, which might reduce oxalate absorption and decrease the risk of stone formation. While this suggests a possible role for magnesium in mitigating oxalate-related kidney stones, more research is needed to understand the extent of its effectiveness fully.

Should magnesium be avoided with kidney disease?

For individuals with chronic kidney disease, magnesium supplementation should be approached with caution and under medical supervision. Kidney function plays a role in magnesium regulation, and excessive intake could lead to imbalances. Consulting a healthcare provider is crucial before considering magnesium supplementation, especially in the presence of kidney disease.

Medical Disclaimer:

The information provided in this article is for educational and informational purposes only and should not be considered a substitute for professional medical advice, diagnosis, or treatment. Please consult with your healthcare provider before starting any new dietary supplement, especially if you are pregnant, nursing, have a medical condition, or are taking other medications. Never disregard professional medical advice or delay in seeking it because of something you have read in this article.


  2. Magnesium-Rich Food Information - Cleveland Clinic. (n.d).
  3. Magnesium - Consumer - Office of Dietary Supplements (ODS). (n.d).
  4. Magnesium - Health Professional Fact Sheet - Office of Dietary .... (n.d).
  5. Kidney Stones: What You Need to Know. (n.d). National Kidney Foundation.
  6. Han H, Segal AM, Seifter JL, Dwyer JT. Nutritional Management of Kidney Stones (Nephrolithiasis). Clin Nutr Res. 2015 Jul;4(3):137-52. doi: 10.7762/cnr.2015.4.3.137. Epub 2015 Jul 31. PMID: 26251832; PMCID: PMC4525130.
  7. Rysz, J., Franczyk, B., Ciałkowska-Rysz, A., & Gluba-Brzózka, A. (2017). The Effect of Diet on the Survival of Patients with Chronic Kidney Disease. Nutrients9(5), 495.
  8. National Institute of Health. Magnesium fact sheet for health professionals. Updated June 2, 2022.
  9. Pucci ND, Marchini GS, Mazzucchi E, Reis ST, Srougi M, Evazian D, Nahas WC. Effect of phyllanthus niruri on metabolic parameters of patients with kidney stone: a perspective for disease prevention. Int Braz J Urol. 2018 Jul-Aug;44(4):758-764. doi: 10.1590/S1677-5538.IBJU.2017.0521. PMID: 29617079; PMCID: PMC6092661.
  10. Krieger NS, Asplin JR, Frick KK, Granja I, Culbertson CD, Ng A, Grynpas MD, Bushinsky DA. Effect of Potassium Citrate on Calcium Phosphate Stones in a Model of Hypercalciuria. J Am Soc Nephrol. 2015 Dec;26(12):3001-8. doi: 10.1681/ASN.2014121223. Epub 2015 Apr 8. PMID: 25855777; PMCID: PMC4657843. patients%2C the addition of,to decrease recurrent stone formation
kidney health

← Older Post Newer Post →