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Real members of DiabetesTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
October 24, 2025
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A DiabetesTeam Member

@A DiabetesTeam Member

Hello Linda

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October 26, 2025
A DiabetesTeam Member

Thank you for clearing that up. What I would like to know is the best way to monitor electrolytes and the best way to manage them.

October 24, 2025
DiabetesTeam

Can a very low-carb ketogenic diet (30-50 carbs per day) harm your kidneys due to fluid loss during ketosis?

A ketogenic diet can lead to increased urination and fluid loss initially, which is why staying well-hydrated is crucial. However, the research doesn't directly link fluid loss from ketosis to kidney damage in Show Full Answer

Can a very low-carb ketogenic diet (30-50 carbs per day) harm your kidneys due to fluid loss during ketosis?

A ketogenic diet can lead to increased urination and fluid loss initially, which is why staying well-hydrated is crucial. However, the research doesn't directly link fluid loss from ketosis to kidney damage in people with diabetes.

The bigger concern for kidney health with diabetes relates to high blood pressure and elevated blood sugar levels over time, rather than the ketogenic diet itself. That said, NSAIDs (non-steroidal anti-inflammatory drugs) and certain other medications can affect kidney function and may be considerations when managing diabetes.

If you're considering or currently following a very low-carb diet, it's important to:

- Drink plenty of water to replace fluids lost through increased urination
- Monitor your blood sugar levels closely, as ketogenic diets can significantly affect glucose and A1c levels
- Work with your doctor to adjust any diabetes medications as needed
- Replenish electrolytes (sodium, potassium) that can be depleted

While ketogenic diets have shown benefits for blood sugar control and weight loss in people with type 2 diabetes, they can be challenging to maintain long-term. Your healthcare provider can help monitor your kidney function and overall health while on this eating plan.

October 24, 2025

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