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Is Dark Chocolate Bad For The Kidneys

Which Chocolate Has The Highest Cocoa Content

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Alter Eco chocolate is fair-trade and organic. They have many types of dark chocolate bars to choose from. The richest chocolate you can get from them is their Dark Blackout bar, which is 85% cocoa. It only contains 6 grams of sugar and four ingredients: cacao beans, cocoa butter, raw cane sugar and vanilla beans.

Dessert Options For Ckd Patient

If you had an oxalate kidney stone, your doctor may ask you to limit certain foods that have a lot of oxalate, such as dark green vegetables, nuts, and chocolate. You don’t have to give up these foods, just eat or drink less of them. If you have had kidney stones in the past, it may also help to:

Almond milk, rice milk, and soymilk naturally have 20 mg, 50 mg, and 80-150 mg of phosphorus per cup, respectively . Almond milk and rice milk are naturally low in phosphorus, with soymilk being relatively higher.

Kidney stones made of calcium oxalate form when urine contains more of these substances than the fluid in the urine can dilute. When that happens, the calcium and oxalate form crystals. At the same time, the urine may lack substances that prevent the crystals from sticking together, creating an ideal environment for kidney stones to form.

The steps below will help you eat right as you manage your kidney disease. The first three steps are important for all people with kidney disease. The last two steps may become important as your kidney function goes down. The first steps to eating right Step 1: Choose and prepare foods with less salt and sodium. Why?Missing: chocolateMust include: chocolate


Can Cocoa Help Kidney Patients

Consuming a cocoa product could help patients with kidney failure to improve their blood vessel function, according to research published in the Clinical Journal of the American Society of Nephrology.

Individuals with failing kidneys have a higher risk of heart problems and are more likely to die from cardiovascular causes than from any other cause.

The heart and kidneys are major organs in the body if either organ stops functioning properly, the other will be affected.

If the heart ceases to pump efficiently, it becomes congested with blood, pressure builds up, and there will be congestion of blood in the kidneys and a reduction in oxygenated blood there.

Conversely, damage to the kidneys can cause the hormone system that regulates blood pressure to go into overdrive in order to increase blood supply to the kidneys. As the heart then pumps against higher pressure in the arteries, it can be damaged by the extra workload.

Lifestyle and dietary modifications to maintain vascular health or reduce the risk could help protect heart health for those with kidney disease, but few therapeutic approaches of this sort currently exist.

Also Check: Carbonated Water And Kidney Stones

Candy Not Recommended On A Kidney Diet

Chocolate and nuts contain high amounts of phosphorus and potassium. Your dietitian can help you see which candy is acceptable and which is not. Here are examples of candy types that are not recommended for people with kidney disease or on dialysis.

  • Chocolate candy bars
    • Milk, dark or other types of candy bars containing chocolate or cocoa
  • Chocolate and nut candy bars
  • Candy bars that contain nuts
  • Candy bars that contain peanut butter
    • Reeses® Peanut Butter Cups, pieces, etc.

If you choose to eat these candies, consider purchasing the smaller or bite size, and have only one piece occasionally.

Side Effects From Caffeine

Kidney Stones Dark Chocolate

According to the University of Kentucky College of Agriculture, dark chocolate has higher caffeine content than both milk chocolate and white chocolate. Consuming large amounts of dark chocolate can lead to an increased heart rate, diarrhea, anxiety, irritability, nervousness, and dehydration. Caffeine can also cause an increase in blood pressure and difficulty in focus or concentration. Caffeine can cause insomnia so you should avoid eating dark chocolate before you go to sleep. If you are sensitive to caffeine or if you suffer from high blood pressure, you should avoid consuming large amounts of dark chocolate.

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Potatoes And Sweet Potatoes

Potatoes and sweet potatoes are potassium-rich vegetables.

Just one medium-sized baked potato contains 610 mg of potassium, whereas one average-sized baked sweet potato contains 541 mg of potassium .

Fortunately, some high potassium foods, including potatoes and sweet potatoes, can be soaked or leached to reduce their potassium contents.

Cutting potatoes into small, thin pieces and boiling them for at least 10 minutes can reduce the potassium content by about 50% .

Potatoes that are soaked in water for at least 4 hours before cooking are proven to have an even lower potassium content than those not soaked before cooking .

This method is known as potassium leaching or the double-cook method.

Although double cooking potatoes lowers the potassium content, its important to remember that their potassium content isnt eliminated by this method.

Considerable amounts of potassium can still be present in double-cooked potatoes, so its best to practice portion control to keep potassium levels in check.


Potatoes and sweet potatoes are high potassium vegetables. Boiling or double cooking potatoes can decrease their potassium content by about 50%.

Tomatoes are another high potassium fruit that may not fit the guidelines of a renal diet.

They can be served raw or stewed and are often used to make sauces.

Just 1 cup of tomato sauce can contain upwards of 900 mg of potassium .

Unfortunately for those on a renal diet, tomatoes are commonly used in many dishes.


Can You Eat Chocolate With Kidney Disease

Your kidneys are one of your bodys major filtration devices. They maintain your electrolyte and fluid balance, and they pull waste products the blood. When you have decreased kidney function, they are no longer able to perform as well as they should.

Neglecting the bladder and kidneys can lead to complications such as kidney disease. Find out the top 10 foods for healthy bladder and kidneys. how to incorporate egg whites in a dish, try meringues with fruits. Other exciting dishes are coconut macaroons and chocolate chip meringue cookies. Additional Tips for Bladder and Kidney Health.

Chronic Kidney Disease in and of itself, increases your chances of contracting Diabetes. Diabetes is also the leading cause of Kidney Failure. In fact approximately 44% of Dialysis patients have Diabetes. On March 17th, 2014 researchers from the United States, Canada, Mexico and Japan shared f

With that said, even if high-protein was bad for the kidneys, a healthy ketogenic diet isnt high in protein. The Keto Zone diet is high in healthy fat, low in carbs and moderate in protein. So there isnt any reason for concern about protein damaging your kidneys on a keto diet.

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Oranges And Orange Juice

While oranges and orange juice are arguably most well known for their vitamin C content, theyre also rich sources of potassium.

One large orange provides 333 mg of potassium. Moreover, there are 473 mg of potassium in 1 cup of orange juice .

Given their potassium content, oranges and orange juice likely need to be avoided or limited on a renal diet.

Grapes, apples, and cranberries, as well as their respective juices, are all good substitutes for oranges and orange juice, as they have lower potassium contents.


Oranges and orange juice are high in potassium and should be limited on a renal diet. Try grapes, apples, cranberries, or their juices instead.

Processed meats are meats that have been salted, dried, cured, or canned.

Some examples include hot dogs, bacon, pepperoni, jerky, and sausage.

Processed meats typically contain large amounts of salt, mostly to improve their taste and preserve flavor.

Therefore, it may be difficult to keep your daily sodium intake to less than 2,300 mg if processed meats are abundant in your diet.

Additionally, processed meats are high in protein.

If you have been told to monitor your protein intake, its important to limit processed meats for this reason as well.


Processed meats are high in salt and protein and should be consumed in moderation on a renal diet.

Pickles, processed olives, and relish are all examples of cured or pickled foods.

Usually, large amounts of salt are added during the curing or pickling process.


Can I Have Sea Moss If I Have Ckd

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Depending upon the species of seaweed being sold as Sea Moss, you may find that it is not a good idea to include this in your diet if you have been diagnosed with CKD.

If you do choose to add Sea Moss to your diet, speak with your trusted Nephrologist or Dietitian about this and your particular stage of CKD first.

Depending upon your estimated glomerular filtration rate your potential for handling Sea Moss in your diet will be subject to this. You can get your eGFR through a blood test completed by your Doctor.

Your eGFR is influenced by a broad range of factors outside of your diet, these include your gender, body type, ethnicity, and your age.

Specific points of consideration that come to mind for me with making seaweeds a part of a diet particularly where CKD is a key consideration includes the following.

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Confused About What To Eat To Support Your Kidney Health

We are here to help! Join our monthly class to find out how we use the power of nutrition to help preserve kidney function. If you prefer a one-to one setting, consider booking a session with one of our expert Renal Dietitians.

This one-bowl granola recipe could not be easier and quickly satisfies even the strongest chocolate craving!

Recipe developed by Clarissa Paimanta, RD and tested by Jennifer Krasilovsky, KidneyRD Intern 2021

  • 1 ¾ oz dark chocolate
  • 2 tablespoons coconut oil
  • ½ cup ground flax seeds
  • ½ cup pecans, toasted and chopped
  • ¼ teaspoon sea salt

1) Preheat the oven to 325 and line a baking sheet with parchment paper.

2) Using a microwave, melt the dark chocolate, coconut oil, and maple syrup in a heat-proof bowl . Stir the chocolate mixture every 30 seconds until fully melted. Be careful the bowl will be hot.

3) To the melted chocolate mixture, add in the oats, flax seeds, pecans, and sea salt. Stir thoroughly to combine.

4) Spread granola on the prepared baking sheet and bake for 20-25 minutes, tossing halfway through. It will continue to crisp up as it cools.

How to store: Once cooled, keep the granola in an airtight container at room temperature or in the fridge for up to 7 days or in the freezer for a few months.

You may have heard that nuts, beans, and whole grains are not a great choice for a kidney-friendly diet because they are high in phosphorus.

  • Prep Time: 15 min
  • Cook Time: 25 min

What Is So Good About Cocoa

Cocoa flavanols have been shown to have beneficial effects on blood vessel function in individuals with normal kidney function.

The flavanols found in cocoa and dark chocolate are part of a larger group of compounds called flavonoids that occur naturally in plant foods, in this case, the cocoa bean. Flavanols are also found in red wine and tea, but those occurring in the cocoa bean are a unique mixture.

According to a report from Tufts University in Medford, MA, scientists have found that cocoa flavanols positively affect the circulatory system and help maintain the flexibility of arteries. The report states that in 2013, a European Union Commission approved a health claim that 200 mg of cocoa flavanols can help maintain the elasticity of blood vessels, which contributes to normal blood flow.

This is equivalent to 2.5 g of high-flavanol cocoa powder or 10 g of high-flavanol dark chocolate. This cannot easily be compared with a bar of regular chocolate or other edible product, as the concentration of flavanol will depend on the processing and inclusion of other ingredients.

Read Also: Is Cacao High In Oxalates

Foods To Avoid When You Have Chronic Kidney Disease

One of our Readers asked in a previous article if it is possible to have Sea Moss if you suffer from Chronic Kidney Disease . There are certain foods that can trigger a range of complications for sufferers of CKD, so it is very important to be across this.

I would like to state that information that is provided on this website is not intended to be interpreted as medical advice. If you suffer from CKD and need specific dietary support, you will need to seek advice from a trusted professional in your area.

The information here may help with stimulating conversation about what you can and cannot have.

For those who arent aware, if you have the wrong kinds of foods and you suffer from this condition, you are likely to experience certain consequences as your body struggles to process them.

The most common of impacts that are likely for someone with Chronic Kidney Disease may include, but not necessarily be limited to:

  • Accumulated waste in the blood stream
  • Elevated blood pressure,
  • Subsequent heart and blood vessel disease resulting in possible stroke or heart attack.

But What About The Potassium And Phosphorus

Is Dark Chocolate Good For You?

Youve ly read or been told to avoid chocolate while following a renal diet. Its true that chocolate contains both potassium and phosphorus, however, we believe its a CAN DO when eaten in moderation.

One ounce of dark chocolate contains 200 mg of Potassium and just 85 mg of Phosphorus. Keeping portions in check is key to ensuring you dont overdo on potassium and phosphorus. Take this granola recipe. We used just 5 tablespoons of dark chocolate for 8 servings.

A little goes a long way to get that delicious chocolatey flavor!

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How Can I Check My Kidneys At Home

thetest forkidneyatesttheTheHealthyatesthometheir7 Proven Health Benefits of Dark Chocolate

  • Powerful Source of Antioxidants.
  • May Improve Blood Flow and Lower Blood Pressure.
  • Raises HDL and Protects LDL From Oxidation.
  • May Reduce Heart Disease Risk.
  • May Protect Your Skin From the Sun.
  • Could Improve Brain Function.

B Levels Of Oxalate Pre/post Fermentation

Overall, fermentation greatly reduced the levels of total oxalate. Fermented cacao seeds contained about 280-235 mg fewer oxalates than unfermented cacao seeds. As well, the levels of insoluble oxalate were greatly reduced during the first few days of fermentation from about 300 mg to 27-77 mg. However, after this initial plunge, there was a slight steady increase between fermentation days 3 and 7. As the mass ferments, the acidity levels become more alkaline, which also encourages soluble oxalates to bind to minerals . This could be the reason for the slight increase in insoluble oxalate as fermentation progressed. Its worth noting that in a study that observed the fermentation of kimchi, insoluble oxalate levels decreased as fermentation progressed, so this idea of increased pH and increased insoluble oxalate requires further studies. The soluble oxalates seemed to rise and then drop slightly between days 3 and 7.

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Munch On Chocolate To Boost Your Mood

We tend to forget that chronic illness often has a psychological impact on the patient. Beyond the simple pleasure of taste, the regular consumption of dark chocolate also stimulates the production of serotonin , which has an antidepressant effect. Although the consumption of dark chocolate seems an interesting therapeutic alternative for patients with CKD, its potential impact on inflammation, cardiovascular risk and the gut microbiota has not yet been studied in a prospective clinical trial. But dont let that stop you from treating yourself to a square of chocolate!

Fanton S, Cardozo LFMF, Combet E, Shiels PG, Stenvinkel P, Vieira IO, Narciso HR, Schmitz J, Mafra D. The sweet side of dark chocolate for chronic kidney disease patients. Clin Nutr. 2021 Jan 40:15-26.

Get The Most Bang For Your Buck From Chocolate

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To reap all of the anti-oxidant and ant-inflammatory benefits of chocolate, look for at least 70% cocoa solids. Milk chocolate and chocolate that has a lower percentage of cocoa solids contains more milk and sugar. It also contains less of those health promoting flavanols.

Remember that serving size matters. To avoid excess calories, fat, phosphorus, and potassium- limit dark chocolate to one ounce per day. If you are sensitive to caffeine or have trouble sleeping, avoid dark chocolate at night. One ounce of dark chocolate contains about 25 mg of caffeine.

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Pretzels Chips And Crackers

Ready-to-eat snack foods like pretzels, chips, and crackers tend to be lacking in nutrients and relatively high in salt.

Also, its easy to eat more than the recommended portion size of these foods, often leading to even greater salt intake than intended.

Whats more, if chips are made from potatoes, theyll contain a significant amount of potassium as well.


Pretzels, chips, and crackers are easily consumed in large portions and tend to contain high amounts of salt. Additionally, chips made from potatoes provide a considerable amount of potassium.

Crush Or Chop On Top Of Homemade Yogurt Bark

An easy treat that is fun for kids to make! Find a yogurt that is lower in sugar since youll be sweetening it with your toppings. Coconut and almond-based yogurts can be fairly easy to find and kidney-friendly.

To make your own yogurt bark, spread yogurt onto a baking sheet lined with parchment paper. Chop or crush your candy and sprinkle on top of the yogurt. Freeze until solid.

Break into pieces and put into freezer containers. This can keep for several months when frozen!

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Dark Chocolate In Moderate Amount

In addition to the above-mentioned contents of dark chocolate, high levels of fat and calorie are also in the list. Generally, dark chocolate is advantageous for ones health, however, it doesnt mean that it should be overeaten. Similar to other food groups, moderate consumption of dark chocolate can be a part of a balanced meal. The suggested daily consumption of dark chocolate is about 6-7 grams thats why we cant get enough of it.

Meanwhile, dark chocolate together with cocoa products includes certain levels of an antinutrient substance known as oxalates. Oxalates play a role in kidney stones formation. The appearance of this substance is commonly known to occur on spinach, parsley, beets, and rhubarb.

Oxalates in Dark Chocolate

Chocolate is known as high oxalate food. If one is at risk for kidney stones, it is highly recommended that dark chocolate or other oxalate-rich food consumption must be in combination with calcium-rich foods. The role of calcium is to bind to soluble oxalates during the process of digestion.

This binding phase results in the creation of oxalates in its insoluble form before its absorption into the bloodstream. But, milk products hinder the effects of polyphenols present in chocolate. Meaning, chocolate consumption due to antioxidant effect while consuming milk at the same time to restrict oxalate absorption may reduce the antioxidant benefits of chocolate.

Oxalates in Kidney Stones Formation


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