Chocolate, revered worldwide as one of life’s greatest confectionary pleasures, is crafted from roasted and ground cacao seed kernels, offering an array of chocolate types. Many people wonder whether or not they can enjoy it safely with chronic kidney disease (CKD). Here, a renal dietitian explores chocolate’s compatibility with kidney diets, and considerations to bear in mind.*

Benefits of chocolate

Chocolate varieties range from the minimally processed dark chocolate and cocoa powder rich in flavonoids, to milk chocolate with a creamier texture but fewer flavonoids. White or ruby chocolate, made with cocoa butter but lacking cocoa seeds, is also an option.

While chocolate boasts potential heart health benefits due to flavonoids, moderation is key. The antioxidant properties of flavonoids may aid in:

• Fighting cell damage and promoting cell repair
• Improving blood flow to the heart and brain
• Lowering blood pressure
• Preventing blood clots
• Reducing risk of heart disease

Excessive consumption, however, can lead to weight gain and high blood sugars. Other sources of flavonoids, like berries and nuts, should also be eaten in moderation.

Caution concerning chocolate

Moderate chocolate consumption is acceptable for those with CKD, emphasizing portion control and frequency. While it won’t enhance kidney health, it won’t significantly harm it either. Nevertheless, attention must be paid to added sugars, potassium, and phosphorus content. For safer chocolate consumption, opt for the following to lower your potassium and phosphorus intake:

• Smaller and thinner pieces,
• White or milk chocolate over dark, and 
• Chocolates with fewer chocolate fillings (e.g. chocolate bars with a wafer filling, like Kit Kat)

You can also choose chocolate alternatives like butterscotch, which contains less phosphorus and potassium and can also be used in baking.

Chocolate can be part of a renal diet as long as due consideration is given to your individual dietary needs. Your nephrologist or renal dietitian can provide personalized guidance, empowering you to navigate your own CKD diet while enjoying your favorite foods responsibly.

*Campbell, E. (2022, November 17). Chocolate and CKD. Kidney Nutrition. https://kidneynutrition.ca/2022/11/17/chocolate-and-ckd/ 

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