Best Drink to Flush Your Kidneys?
If you’re looking to support your kidney health and optimize their cleansing abilities, you might be wondering: what is the best drink to flush your kidneys?
Your kidneys are essential organs that work tirelessly to filter your blood, remove waste products, and maintain a healthy balance of fluids and electrolytes. While your kidneys are constantly cleansing themselves, a build-up of toxins, kidney stones, or other waste products can sometimes hinder their function.

Kidney Health Basics
Before we dive into the best drinks to flush your kidneys, it’s important to understand the basics of kidney health.
Your kidneys are responsible for filtering waste products from your blood and regulating various bodily functions. They also play a crucial role in producing hormones like erythropoietin (for red blood cell production) [1], renin (for blood pressure control) [2], and calcitriol (for calcium regulation) [3].
Maintaining Healthy Kidneys
While various “kidney cleanse” regimens exist, many lack scientific evidence to support their claims. The most effective way to support kidney health is to adopt healthy habits:
- Limit alcohol consumption.
- Stay hydrated and avoid excessive use of diuretics.
- Monitor your sodium intake.
- Manage your blood sugar and weight.
- Avoid excessive calcium intake.
These simple lifestyle changes can have a more significant impact on your kidney health than any quick-fix cleanse.
Hydration: The Foundation of Kidney Health
Drinking enough water is crucial for kidney function.
- Urine Production: When you’re dehydrated, your urine output decreases. Since urine is the primary way your body eliminates waste products, inadequate hydration can lead to a buildup of toxins and increase the risk of kidney stones.
- Recommended Intake: Aim for 10-13 cups of fluids per day for men and 8-9 cups for women.
Once you’ve established a healthy hydration routine, you can consider incorporating kidney-cleansing drinks into your diet.
The Best Drinks to Flush Your Kidneys
1. Dandelion Tea
Dandelion tea is a popular choice for kidney cleansing.
- Liver and Kidney Support: Dandelion is believed to support both liver and kidney health. According to Mount Sinai, the root targets the liver and gallbladder, while the leaves target the kidneys [4].
- Increased Bile Production: Dandelion increases bile production, which aids in digestion and supports kidney function.
2. Apple Cider Vinegar
Apple cider vinegar is often recommended for kidney stone prevention.
3. Nettle Tea
Nettle tea is another natural diuretic that can support kidney health.
- Increased Urine Flow: Nettle tea promotes urination, helping to flush out waste products from the kidneys [7].
- Anti-inflammatory Properties: Nettle has anti-inflammatory effects that may help soothe irritated kidneys.
4. Lemon Juice
Lemon juice, like apple cider vinegar, is a good source of citric acid, which can help dissolve kidney stones.
- Calcium Oxalate Breakdown: Citric acid is particularly effective in breaking down calcium oxalate crystals, the primary component of kidney stones [8].
- Hydration and Detoxification: Lemon juice contributes to your daily fluid intake and is believed to have detoxifying properties.
5. Cranberry Juice
Cranberry juice is well-known as one of the best drinks to flush your kidneys. It has the ability to prevent urinary tract infections (UTIs), but it may also offer benefits for kidney health.
- Anti-Adherence Properties: Cranberry juice can prevent bacteria from adhering to the lining of the kidneys, reducing the risk of infection [9].
- Choosing the Right Juice: Opt for cranberry juice with no added sugar and a high concentration of actual cranberries.
6. Beet Juice
Beet juice offers a unique combination of benefits for kidney health. They are one of the best drinks to flush your kidneys.
- Acidic Urine: Betaine in beet juice helps make urine more acidic, which can help prevent kidney stone formation [10].
- Nitric Oxide Boost: Beet juice is a good source of nitrates, which the body converts to nitric oxide, a compound that helps dilate blood vessels and lower blood pressure [11].
- Antioxidant and Nutrient-Rich: Beet juice is packed with antioxidants and essential nutrients.
However, be aware that beet juice is also relatively high in oxalates, which can contribute to kidney stone formation in some individuals.
Maintaining Kidney Health Long-Term
The key to healthy kidneys is to stay hydrated, support healthy urine flow, and minimize the buildup of waste products. Incorporate these kidney-cleansing drinks into your routine regularly, but avoid overdoing it, as excessive cleansing can lead to electrolyte imbalances. Always consult your doctor before starting any new health regimen, especially if you have existing kidney problems or are taking medications.
Cites and Sources
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[1] - Professional, C. C. M. (2024, May 1). Erythropoietin. Cleveland Clinic. https://my.clevelandclinic.org/health/articles/14573-erythropoietin
[2] - Professional, C. C. M. (2024b, May 1). Renin. Cleveland Clinic. https://my.clevelandclinic.org/health/body/22506-renin
[3] - Lung, B. E., Mowery, M. L., & Komatsu, D. E. E. (2023, July 17). Calcitriol. StatPearls - NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK526025/
[4] - Dandelion. (n.d.). Mount Sinai Health System. https://www.mountsinai.org/health-library/herb/dandelion
[5] - Zeng, G., Mai, Z., Xia, S., Wang, Z., Zhang, K., Wang, L., Long, Y., Ma, J., Li, Y., Wan, S. P., Wu, W., Liu, Y., Cui, Z., Zhao, Z., Qin, J., Zeng, T., Liu, Y., Duan, X., Mai, X., . . . Ye, Z. (2017). Prevalence of kidney stones in China: an ultrasonography based cross‐sectional study. BJU International, 120(1), 109–116. https://doi.org/10.1111/bju.13828
[6] - Ousaaid, D., Laaroussi, H., Bakour, M., ElGhouizi, A., Aboulghazi, A., Lyoussi, B., & ElArabi, I. (2020). Beneficial effects of apple vinegar on hyperglycemia and hyperlipidemia in Hypercaloric-Fed rats. Journal of Diabetes Research, 2020, 1–7. https://doi.org/10.1155/2020/9284987
[7] - Zhang, H., Li, N., Li, K., & Li, P. (2014). Protective effect of Urtica dioica methanol extract against experimentally induced urinary calculi in rats. Molecular Medicine Reports, 10(6), 3157–3162. https://doi.org/10.3892/mmr.2014.2610
[8] - Ruggenenti, P., Caruso, M. R., Cortinovis, M., Perna, A., Peracchi, T., Giuliano, G. A., Rota, S., Brambilla, P., Invernici, G., Villa, D., Diadei, O., Trillini, M., Natali, G., & Remuzzi, G. (2021). Fresh lemon juice supplementation for the prevention of recurrent stones in calcium oxalate nephrolithiasis: A pragmatic, prospective, randomised, open, blinded endpoint (PROBE) trial. EClinicalMedicine, 43, 101227. https://doi.org/10.1016/j.eclinm.2021.101227
[9] - Migala, J. (2020, November 24). Is Cranberry Juice Good for your kidneys?. The Healthy. https://www.thehealthy.com/kidney/is-cranberry-juice-good-for-your-kidneys/
[10] - Treatment and prevention of kidney stones: an update. (2011, December 1). PubMed. https://pubmed.ncbi.nlm.nih.gov/22150656/
[11] - Domínguez, R., Cuenca, E., Maté-Muñoz, J., García-Fernández, P., Serra-Paya, N., Estevan, M., Herreros, P., & Garnacho-Castaño, M. (2017). Effects of beetroot juice supplementation on cardiorespiratory endurance in athletes. A systematic review. Nutrients, 9(1), 43. https://doi.org/10.3390/nu9010043