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Wednesday, 25/3/2026 | 05:01 GMT+7

Is daily sugarcane juice with salt safe for lowering blood pressure?

A 33-year-old woman from Hanoi, Lien, asks if it's safe for her husband, a year into kidney dialysis, to drink sugarcane juice with salt daily to lower blood pressure and improve urination, as advised by an acquaintance.

This method lacks scientific evidence and poses significant risks, especially for kidney failure patients. It is tantamount to indirectly harming them. For patients with chronic kidney failure undergoing hemodialysis, arbitrarily consuming sugarcane juice mixed with salt can lead to acute, life-threatening complications.

Sugar is a "silent enemy" of the kidneys. Sugarcane juice contains high levels of potassium and sugar, making it unsuitable for daily consumption, even for healthy individuals. According to the U.S. Department of Agriculture (USDA), one glass of sugarcane juice (240 ml) provides about 183 calories and 50 g of sugar, equivalent to 12 teaspoons of sugar. This amount exceeds the recommended daily sugar intake of 9 teaspoons for men and 6 teaspoons for women.

In healthy individuals, kidneys excrete excess potassium. However, for dialysis patients, this ability is almost nonexistent. A sudden surge in blood potassium can cause heart rhythm disturbances, potentially leading to cardiac arrest and endangering their lives.

Kidney failure patients should not drink sugarcane juice with salt daily, as it carries potential health risks. Health

Kidney failure patients should not drink sugarcane juice with salt daily, as it carries potential health risks. Health

Furthermore, consuming salt to "lower blood pressure" is completely false information. Excessive salt intake strains the already weakened cardiovascular system of kidney patients. This can lead to excessive water retention, resulting in edema, shortness of breath, and increasing the burden of each dialysis session.

Dialysis patients typically have strict daily fluid intake restrictions. Consuming additional sugarcane juice daily, which introduces more sugar and potassium into the body, is not advisable. Patients must adhere to their doctor's treatment plan, follow a low-salt, low-potassium diet, and carefully manage their fluid intake as directed. It is crucial to avoid unproven methods found online, as they can severely harm health.

Doan Du Manh, Doctor

Deputy Director, Cardiology and Stroke Center, Phuong Dong General Hospital

By VnExpress: https://vnexpress.net/uong-nuoc-mia-muoi-hat-moi-ngay-de-ha-huyet-ap-5050838.html
Tags: kidney failure sugarcane juice

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