Food question
Can you eat dark chocolate with kidney disease?
Yes, in small portions. For kidney disease (stage 3), our guide puts dark chocolate in the Limit column: High in fat, salt or sugar. Keep it to small amounts, and not every day. USDA FoodData Central figures per 100 g: 715 mg potassium, 20 mg sodium, 24 g sugars.
- Updated October 2026
- 2 min read
Nutrient data: UK Composition of Foods (CoFID) 2021 and USDA FoodData Central.

The answer from our guide
Yes — in small portions.
LimitFor kidney disease (stage 3): High in fat, salt or sugar. Keep it to small amounts, and not every day. Where you manage more than one condition, the strictest rule wins.
Profile-based guidance, not an individual medical assessment.
Why food guidance can differ
Food isn’t one-size-fits-all. The right choice depends on a combination of factors, not a single nutrient.
- Your conditionsDifferent conditions can change what’s helpful to include.
- Your medicationSome medicines can affect how certain foods fit.
- Your overall dietIt’s the bigger picture that matters.
Questions to ask your care team
These can help you get guidance that’s right for you.
- How does dark chocolate fit with my current conditions?
- Should portion sizes be different for me?
- Are there better alternatives on some days?
- How do my medications affect my food choices?
One food, different context
The same food can fit differently depending on your individual needs. Your guide brings it all together.
On its own
A small portion may fit for some people, depending on their conditions.
As part of a meal
The bigger picture matters: what else you’re eating can make a difference.
Different alternatives
Your guide can suggest other foods to consider on some days.
A look at the bigger picture
Your guide considers a range of information, not just one nutrient.
Dark chocolate (70%+)715 mg potassium · 24 g sugars per 100 gLimit
Sugar-free jelly5 mg potassium · 0 g sugars per 100 gLimit
Unsalted butter27 mg potassium · 0.6 g sugars per 100 gLimit
Honey51 mg potassium · 76.4 g sugars per 100 gLimit
Source: UK Composition of Foods (CoFID) 2021 and USDA FoodData Central, per 100 g, rounded. Verdicts for kidney disease (stage 3).

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All food articlesPlease read: educational information, not medical advice
This content is for general educational purposes only and is not a substitute for professional medical advice. Always follow the guidance of your GP, dietitian or care team. Full disclaimer →
Sources: UK Composition of Foods (CoFID) 2021 and USDA FoodData Central (nutrient figures), UK and international clinical guidelines, as listed on our method page, NutriGuard rule-sets (strictest rule wins). See our method.



