There is growing evidence that a high-sodium diet can affect the gut microbiome, but the science is still developing. Human and animal studies suggest sodium may change microbial balance and gut barrier function, though the exact effect size is not settled.
That means sodium is not just a blood-pressure issue. It may also play a quieter role in gut health, especially when it crowds out potassium-rich, fiber-rich foods that support a healthier microbial environment.
The practical answer is not “fear salt.” It is “stop letting salty processed foods dominate the plate.” Use herbs, acid, and actual ingredients for flavor, and keep most of your food close to its natural state.
Sources
This is general information, not professional medical advice. For decisions about your situation, talk to a qualified professional.
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