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    Ingredient guide · Ingredient reference

    Creatine when you have kidney stones: filtration studies are not recurrence studies

    A history of kidney stones requires a more specific review than a general statement that creatine is tolerated by healthy athletes. The inspected kidney-function research does not establish that creatine causes stones, but it also does not prove that it is safe for every stone former or prevents recurrence.

    Read the evidence ↓

    Supplement Science Insights Editorial Team

    Published September 23, 2026

    Kidney function and stone formation are different outcomes

    A 2026 systematic-review abstract reports a creatinine increase without significant pooled differences in urea or estimated glomerular filtration rate. These measures do not directly count new stones or recurrence. A reassuring filtration result cannot automatically answer a stone-specific question. [1]

    Find out which stone type was involved

    NIDDK explains that dietary advice differs for calcium oxalate, calcium phosphate, uric acid and cystine stones. Sodium, animal protein, calcium and oxalate may need different attention. There is no single stone-prevention diet or supplement decision that fits all histories. [2]

    Use an individualized fluid plan

    Adequate fluid, mainly water, is central to prevention, but NIDDK advises confirming the appropriate amount with a health professional. Kidney failure and other restrictions can change the plan. Do not force excessive water simply because a supplement was added. [2]

    Review the entire formulation and monitoring context

    Tell the clinician about creatine before interpreting kidney blood tests and provide the full product label. A blend can include other nutrients or ingredients with separate implications. Discuss whether the expected exercise benefit is useful enough to justify adding it in your circumstances. [1][3]

    Avoid a false all-clear

    Imagine someone with recurrent calcium oxalate stones reads that a creatine trial did not reduce filtration. That does not show recurrence was measured. Bring the stone history and prevention plan to the decision instead of treating a different endpoint as clearance. [2][1]

    Hypothetical example — assess a hypothetical kidney-stone decision
    Evidence or detailWhy it matters
    Filtration resultDoes not measure recurrence
    Stone analysisGuides prevention
    Fluid restrictionsChange hydration advice
    Complete productMore than the headline ingredient
    Creatine when you have kidney stones: filtration studies are not recurrence studies — original article outline diagram
    Original editorial diagram of this article’s sections; no product photograph or clinical finding is depicted.

    Sources for this article

    1. The Effect of Creatine Supplementation on Kidney Function: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
      Source consulted: 2026-09-21. This is a reference resource, not a claim that we conducted the studies or tested a product.
    2. Eating, Diet, & Nutrition for Kidney Stones - NIDDK
      Source consulted: 2026-09-21. This is a reference resource, not a claim that we conducted the studies or tested a product.
    3. Dietary Supplements for Exercise and Athletic Performance - Health Professional Fact Sheet
      Source consulted: 2026-09-21. This is a reference resource, not a claim that we conducted the studies or tested a product.