Healthy gut equals healthier kidneys: The link you Don't want to overlook

Written by: Deepa

26 June 2025

Your gut and kidneys are more related than you may realize. 

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A healthy gut microbiome reduces systemic inflammation and toxic buildup, which can be protective for the kidneys long-term. Let's explore more about it!

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Imbalance in gut bacteria (dysbiosis) can stress the kidneys and contribute to advancing kidney disease by releasing harmful compounds into the blood.

The Gut-Kidney Axis

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An unhealthy gut produces many toxins (indoxyl sulfate and p-cresol) that are harmful to the kidneys. A diet rich in plant foods, and containing some fiber helps to reduce toxins.

What You Eat Matters

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Good prebiotic foods (garlic, onions, bananas, oats, etc.) feed the beneficial bacteria & promote gut balance. Healthy bacteria helps to reduce inflammation throughout the body, including the kidneys.

Fuel the Good Bacteria

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Every day you should fuel your good bacteria with fermented foods (yogurt, kefir, kimchi, pickles, etc.) to support the good bacteria & potentially reduce their toxic load & inflammation, supporting kidney function.

Increase Microbial Diversity

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Biologic phytonutrients of a high-protein animal diet can raise the acid load and are damaging to kidneys. Processed foods promote gut dysbiosis. Consider more whole food plant-based options.

Limit Red Meat & Processed Foods

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Overuse of antibiotics can wipe out good bacteria contributing to the gut to kidney balance. Do not use antibiotics without a medical provider.

Avoid Unnecessary Antibiotics

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Support your kidneys by supporting your gut. Eating a varied, plant-based diet, & being hydrated will help to decrease the risk of developing kidney disease while being as natural as possible.

Final Takeaway

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