Diet kidney stone 100%

Diet kidney stone

What to eat or not to eat – Diet kidney stone

Diet kidney stone : Kidney stones, also called urinary lithiasis, are solid crystals that develop in the urinary system. When stones move in the urinary tract, they cause very severe pain often accompanied by nausea and vomiting. The purpose of the kidney stone diet is to promote optimal hydration and to limit the consumption of foods that can lead to the recurrence of stones.

The 5 essential points of the special diet kidney stones:

Have a good hydration
Increase your intake of vitamins and minerals
Maintain a healthy weight
Limit consumption of oxalates and sodium
Moderate meat consumption
Benefits of diet in case of kidney stones

The kidney stones diet has many benefits, it allows to:

Curb the formation of calcium oxalate
Dissolve kidney stones naturally
Ensure optimal nutrient intake that has a beneficial effect in cases of urolithiasis
Find urinary comfort
Avoid painful crises
Recognize which foods to avoid, which contribute to the formation of oxalate
The link between kidney stones and calcium oxalate

Healthy Body …>

Diet kidney stone
Diet kidney stone

Kidney stones usually occur after age 30 and affect men more than women. The presence of stones in the urinary tract causes various symptoms ranging from difficulty urinating to the presence of blood in the urine. The nature of kidney stones may differ but in 75 to 85% of cases, they are formed from salt or calcium oxalate.

People predisposed to overproduction of oxalate – Diet kidney stone

In addition, obese individuals produce more oxalate than others. The same is true for people with high blood pressure or diabetes. Lack of physical activity can also, in the long run, lead to bone mass loss and calcium release into the bloodstream. This represents a greater risk of developing urinary lithiasis.

Diet and hydration are an integral part of the treatment of urolithiasis and their prevention. The kidney stone diet is designed to promote eating habits that prevent a recurrence.

Dietary recommendations to dissolve kidney stones naturally

The main goal of the renal stone diet is to stop the formation of calcium oxalate via diet. For this, it is recommended to adopt a healthy lifestyle and to adopt some effective measures. This sheet introduces you to the main principles of special diet kidney stones.

Recommended diet to reduce calcium oxalate formation

To reduce the formation of calcium oxalate, some foods are preferred. This is the case of calcium, potassium, vitamin B6 and citric acid. These measures must be combined with good hydration and regular physical activity to increase effectiveness.

Calcium in Diet for kidney stones – Diet kidney stone

Decreased calcium intake does not result in decreased urinary excretion. On the contrary, calcium traps the oxalates present in the stomach and reduces their absorption. It is therefore recommended to consume enough calcium daily. Namely that calcium supplements are less effective than eating calcium-rich foods.

High calcium-rich foods that are effective in reducing oxalate formation are:

Milk and dairy products
Vegetable milks enriched with calcium
Fish, mostly canned
Green vegetables (parsley, dandelion, spinach, broccoli, etc.)
Fruits (blackcurrant, orange, currant, etc.)
Hydration in Diet for kidney stones

The goal is to cause a volume of urine of more than 2 litres per day to dissolve kidney stones naturally. We must drink 2 litres of liquid, distributed throughout the day, 8 large glasses of water. It is also advisable to drink before going to bed and at least once during the night to promote the continuous elimination of urine. The urine must be very light in colour.

Water is the only essential drink, it is, however, possible to alternate with herbal teas, infused water or lemon juice. In the case of physical activity or heat, the amount of water consumed must be 3 litres. According to some studies, coffee, tea, beer, and wine reduce the formation of kidney stones. In contrast, grapefruit juice increases the formation of kidney stones.

Citric acid

Lemons in the Diet for kidney stones can be very effective.

Lemon, orange and tomato juices are rich in citric acid and make the pH of the urine more alkaline and thus reduce the formation of kidney stones via food. It is therefore interesting to use lemon and orange in cooking or to make juices and scented water.

Read more about the Diet kidney stone…


Low potassium intake combined with high sodium intake contributes to the formation of calcium lithiasis. We must, therefore, cover the need for potassium by choosing foods that are rich in it. Potassium sources of food for kidney stones are fruits and vegetables. You must consume at least 5 servings a day in diet for kidney stones.

The ones that contain the most are:

Potato with skin
Whole grains
Green leafy vegetables
Vitamin B6 and magnesium in Diet for kidney stones

Vitamin B6 and magnesium help to solubilize calcium oxalate crystals, which reduces the risk of kidney stones.

The source foods of vitamin B6 and magnesium are – Diet kidney stone

Tuna, salmon, cod
Potato with skin
Sunflower, sesame, pumpkin, flax and chia seeds
Green leafy vegetables
Brown rice
Other recommended foods in Diet kidney stone:

Fruits and vegetables
Dietary fibre
Omega 3
Physical activity
Foods to avoid in cases of urinary lithiasis

Some foods are to be avoided in the kidney stone diet. Indeed, they promote the formation of oxalate and prevent the urinary system from functioning optimally. This is the case of foods rich in oxalate, sodium and animal protein.


Even though 90% of the oxalates are produced by our body, it is recommended to limit the consumption of rich foods such as:

Peanut butter
Cocoa and chocolate
Black tea
Soybean and derived products
The oxalate contained in the tea seems to have low bioavailability, that is to say, that the body absorbs only a tiny amount.

Animal protein

As part of the kidney stone diet, it is recommended to limit the consumption of animal protein to 150g per day maximum. They increase the urinary excretion of uric acid and calcium and decrease that of citrate.

Diet kidney stone
Diet kidney stone

The sources of animal protein to avoid in case of Diet kidney stone:

Cheeses (limit to 1 serving per day)

To dissolve kidney stones naturally, it is recommended not to consume more than 2000mg of sodium per day. This would have a negative impact on blood pressure, in addition to increasing urinary calcium excretion. The main sources of sodium are industrial and prepackaged foods. In fact, more than 75% of the sodium we eat comes from processed foods such as cheeses, sausages, sauces, dehydrated dried or smoked foods.

Food Portion Amount of sodium (mg)
miso 180 ml 7583
Dried beef 100g 2790
Table salt 1 tablespoon 2373
Grilled bacon 4 slices 2310
Ham 100g 1500
Fish sauce 15 ml 1408
Baking soda 1 tablespoon 1284
Soya sauce 1 tablespoon 1000
Canned legumes 1 cup 800
Marinated herring 100g 870
Smoked salmon 100g 784
Canned tomato sauce 1/2 cup 678
Low salt soy sauce 1 tablespoon 608
Canned anchovies 4 anchovies 588
Pickles 1 pickle 569
Feta cheese 50g 558
Canned sardines 100g 505
Tomato or vegetable juice 125 ml 345
Vitamin C or D supplements in Diet for kidney stones

Since oxalates are a byproduct of vitamin C, it is advisable to avoid supplements that contain more than 2g per dose. However, vitamin C intake from the diet alone is safe. At the level of vitamin D supplements, it is recommended to seek the advice of a doctor.

Other foods not recommended in Diet for kidney stones:

Saturated and trans fats
Sweet products
Sedentary lifestyle
Kidney and Diet Calculations: Practical Tips for Reducing Sodium Intake

Buy a maximum of “sodium-free”, “low sodium” or “no added salt” products
Compare labels to choose products that contain the least amount of
Look for foods with a sodium content below 350mg
Buy fresh or frozen vegetables, avoid preserves
Prefer homemade vegetable juices
Pay attention to bread and cereal products that often contain a lot of salt, prefer their low salt versions
Consume enough milk and yogurt and limit the cheese
Buy natural and non-canned legumes
Choose low-sodium mineral water
Cook to the maximum and avoid prepared industrial products
To add flavor to the dishes, use the condiments: pepper, garlic, onion, ginger, herbs, lemon juice, spices, etc.
Beware of mustard and spice mixtures, often very high in salt.

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