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Diet & Nutrition
Types Of Foods That Promote Kidney Health & Which Foods To Avoid During Kidney Infection
Kidneys are vital organs that are significant to one’s health and well-being. These tiny bean-shaped organs never sleep, performing functions such as removing waste products, regulating body fluids, maintaining blood pressure, and inflaming red blood cells.
It is essential for us to take care of these vital organs so that they can take care of us. If your kidneys don’t function properly, you may experience hypertension, night-time urination, body swelling, weakness, nausea, and more. The good news is that many problems associated with kidney health can be resolved through dieting.
In this blog, we have shared a list of foods that promote kidney health and foods you should avoid.
Table Of Contents
- What Foods Are Good For Your Kidneys? Different Types of Foods That Promote Kidney Health
- What Foods Reverse Kidney Damage?
- Foods To Say No To During A Kidney Infection
- Expert’s Advice
- The Final Say
- FAQs
- References
What Foods Are Good For Your Kidneys? Different Types of Foods That Promote Kidney Health
Here is a list of foods containing important types of nutrients that will help you promote kidney health. We have divided them into food groups so you can better identify your particular needs and likes.
1. Fruits
| Berries: | Blueberries, strawberries, and raspberries are high-antioxidant foods and low in potassium, making them kidney-friendly. They combat inflammation and oxidative stress, supporting overall kidney function. |
| Apples: | Apples with fibre and anti-inflammatory properties help reduce cholesterol and maintain kidney health. |
| Pineapple: | A low-potassium fruit, pineapple is rich in bromelain, an enzyme that supports digestion and reduces inflammation. |
| Cranberries: | These are known for their role in preventing urinary tract infections (UTIs), and cranberries help maintain a healthy urinary tract and reduce kidney strain. |
Also Read: Vanish Signs Of Ageing With These 10 Best Anti-Ageing Supplements
2. Vegetables
| Cauliflower: | A low-potassium vegetable, cauliflower is high in fibre, vitamin C, and compounds that support kidney detoxification. |
| Bell Peppers: | These vibrant vegetables are low in potassium but rich in vitamins A, C, and B6, promoting overall health. |
| Cabbage: | High in phytochemicals and low in potassium, cabbage supports kidney function and combats free radicals. |
| Garlic: | Enhances flavour without adding sodium and provides anti-inflammatory benefits. |
Also Read: Give Your Health a Restart by Choosing These Top 10 Detoxifying Foods for Your Liver
3. Whole Grains and Legumes
| Quinoa: | A complete protein and low-phosphorus grain, quinoa is a great alternative to traditional grains for kidney health. |
| Brown Rice: | Although higher in phosphorus and potassium, brown rice can be eaten moderately and balanced with other low-phosphorus foods. |
| Lentils: | Excellent source of plant-based protein, lentils should be consumed in moderation by those with advanced kidney disease due to their potassium content. |
4. Healthy Fats
| Olive Oil: | A heart-healthy fat, olive oil is phosphorus-free and supports overall kidney health. |
| Avocados: | While high in potassium, small portions can provide healthy fats and anti-inflammatory benefits for those without severe kidney issues. |
5. Proteins
| Egg Whites: | Low in phosphorus and a high-quality protein source, egg whites are ideal for individuals with kidney concerns. |
| Fish: | Fish and other seafood (like salmon, tuna, and prawns) contain omega-3 fatty acids, which help reduce inflammation and support heart and kidney health. |
| Chicken (Skinless): | A lean protein source, chicken is low in phosphorus and sodium when prepared healthily. |
Also Read: How To Lower Triglycerides Naturally? Signs Of High Levels And 8 Ways To Reduce It
What Foods Reverse Kidney Damage?
While you cannot reverse kidney damage with diet alone, there are certain foods that can support kidney function and slow further damage. Here's how specific foods can help protect and support kidney health:
1. Berries
Berries are rich in antioxidants that fight inflammation in the body and oxidative stress—common contributors to kidney damage. Antioxidants help reduce damage to kidney cells and improve overall function.
2. Leafy Greens (in moderation)
Spinach, kale, and Swiss chard contain vitamins and minerals that support overall health. However, they also have potassium, which should be limited if kidney damage is advanced. When eaten in moderation, these greens provide vital nutrients for repair.
ToneOp Care’s Wheat Grass Powder is another green superfood that can give you the benefits of leafy greens and acts as a natural detoxifier to keep your kidney and liver health in the best shape.
3. Garlic
Garlic is a natural anti-inflammatory and contains compounds that can lower blood pressure, reducing strain on the kidneys. It may also lower oxidative stress, which can slow the progression of kidney damage.
4. Fatty Fish
Salmon, mackerel, sardines, and other fatty fish are rich in natural omega-3 fatty acid sources, which help reduce inflammation and control high blood pressure—a leading cause of kidney damage.
5. Apples
Apples are high in fibre and antioxidants, which help regulate blood sugar and cholesterol levels. This reduces strain on the kidneys and supports their healing.
6. Cauliflower
A low-potassium vegetable, cauliflower is rich in compounds that help detoxify the body and reduce oxidative stress.
7. Green Tea
Rich in antioxidants called catechins, green tea helps reduce inflammation and oxidative stress, supporting kidney health.
Foods To Say No To During A Kidney Infection
A kidney infection, also known as pyelonephritis, occurs when bacteria spread to one or both kidneys, causing inflammation and damage. While treatment usually involves antibiotics prescribed by a doctor, diet plays an essential role in managing symptoms, supporting recovery, and preventing further complications. Certain foods can worsen the condition or strain the kidneys, so it’s important to avoid or limit them during a kidney infection. They are:
1. High-Sodium Foods
Excess sodium can cause the body to retain water and increase blood pressure, which can further stress the kidneys. High sodium intake is often found in processed and packaged foods like:
- Canned soups
- Fast food
- Salty snacks (chips, pretzels, etc.)
- Processed meats (bacon, sausages, deli meats)
- Frozen meals
2. Sugary Foods and Beverages
Excess sugar can increase the risk of kidney damage by promoting inflammation, causing blood sugar spikes, and contributing to obesity—an underlying factor in kidney disease. Avoid:
- Sodas and sugary drinks (which also cause dehydration)
- Sugary snacks and desserts
- Fruit juices with added sugar
3. High-Phosphorus Foods
When the kidneys are infected or damaged, they struggle to filter excess phosphorus, which can build up in the bloodstream and lead to weakened bones and other health issues. Foods rich in phosphorus include:
- Dairy products (cheese, milk, yoghurt)
- Nuts and seeds
- Whole grains (brown rice, whole wheat bread)
- Processed meats
4. High-Potassium Foods
Potassium helps maintain fluid balance in the body, but when kidneys are infected or weakened, they may not filter excess potassium properly, leading to a dangerous buildup. High-potassium foods that you should avoid are:
- Bananas
- Oranges and orange juice
- Tomatoes
- Potatoes
- Spinach and other leafy greens (in excess)
5. Artificial Sweeteners
Artificial sweeteners may contribute to kidney stress by causing metabolic disturbances. While research is still ongoing, it’s advisable to avoid:
- Aspartame
- Sucralose
- Saccharin (often found in sugar-free snacks, sodas, and other processed foods)
6. Alcohol and Caffeinated Beverages
Alcohol and caffeine can dehydrate the body, which can worsen kidney function. Dehydration can cause bacteria to multiply in the urinary tract, potentially leading to further infection. It’s best to avoid or limit:
- All alcoholic beverages
- Coffee
- Energy drinks
Also Read: Fungal Infection In the Stomach: Causes, Symptoms And Treatment Methods
Expert’s Advice
Hydration is crucial for kidney health, aiding toxin removal and function. Drink clean water or herbal teas like chamomile, mint, and ginger. Replace salt with kidney-friendly herbs such as basil, parsley, dill, rosemary, turmeric and ginger. These small changes help maintain kidney health and overall well-being, ensuring the renal system works efficiently. Prioritising hydration and using natural seasonings is a simple, effective way to protect your kidneys.
Health Expert
Akshata Gandevikar
The Final Say
The first step in kidney care is watching what you eat. You can reap the benefits of kidney-friendly foods, reduce the risk of kidney problems by eliminating other dangerous components, and live healthily, which always helps. Oh, remember that with each bite, you can either help your kidneys or make them work harder – choose right. Happy kidneys mean a healthy you; let’s feed them right for more years of proper functioning with healthy food.
FAQs
1. Are leafy greens good for the kidneys?
Yes, leafy greens like spinach, kale, and Swiss chard are excellent for kidney health. They are rich in vitamins A and C, folate, and fibre, which promote overall health. However, people with advanced kidney disease should monitor potassium intake, as some leafy greens are high in potassium.
2. Why is fish good for kidney health?
Fatty fish like salmon, trout, and sardines are rich in omega-3 fatty acids, which help reduce inflammation, lower blood pressure, and prevent kidney damage. Omega-3s also help lower the risk of cardiovascular disease, which is beneficial for kidney function, as kidney disease is often linked with heart disease.
3. Are cruciferous vegetables good for the kidneys?
Cruciferous vegetables like broccoli, cauliflower, and Brussels sprouts are excellent for kidney health. They are rich in vitamins, fibre, and antioxidants that reduce inflammation and support detoxification. These vegetables also provide a good source of folate, which is important for maintaining kidney function.
4. Can nuts and seeds improve kidney health?
Nuts and seeds, such as almonds, walnuts, and chia seeds, provide healthy fats, antioxidants, and fibre, which support kidney function. They help reduce inflammation and provide essential nutrients like magnesium. However, individuals with kidney disease should monitor potassium and phosphorus levels found in nuts and seeds.
5. How does reducing sodium benefit kidney health?
Reducing sodium intake is crucial for kidney health because high sodium levels can cause high blood pressure, which damages the kidneys over time. Excessive sodium also leads to fluid retention, increasing the burden on the kidneys. Eating fresh, whole foods like fruits, vegetables, and lean proteins can help control sodium intake.
References
- https://www.virtua.org/articles/best-foods-for-kidney-health
- https://medwayhospitals.com/best-foods-for-kidney-disease/
- https://www.prospectmedical.com/resources/wellness-center/best-foods-kidney-health
- https://khccares.com/blog/top-15-healthy-foods-for-kidney-function/
- https://www.medicinenet.com/what_foods_help_repair_kidneys/article.htm
- https://www.health.com/condition/kidney-disease/kidney-disease-diet
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