Red beans: 5 health benefits and how to make red bean water
Discover 5 health benefits of red beans, including fiber and potassium, along with a simple recipe to boil red bean water to reduce water retention.

Stock photo for illustration only, not from the actual event
- Red beans contain high dietary fiber to improve bowel movements and prevent constipation
- They provide plant-based protein, iron, folic acid, and potassium to nourish blood
- Boiled red bean water helps flush out excess sodium and reduce salty-food water retention
- Must be thoroughly boiled at high heat to eliminate toxic phytohemagglutinin
Red beans are versatile and nutritious grains packed with essential nutrients that support various bodily functions, ranging from digestive health to blood nourishment. They serve as an excellent dietary choice for anyone looking to improve their daily wellness through wholesome food options.
The five key health benefits of red beans include:
- Improves Digestion: Dietary fiber supports bowel function, reduces constipation, and feeds good gut bacteria.
- Plant-Based Protein: Ideal for vegetarians or those reducing meat intake, keeping you full longer and preventing snacking.
- Nourishes Blood: Contains iron, folic acid for red blood cells, and potassium to regulate blood pressure.
- Controls Blood Sugar: Complex carbohydrates absorb slowly, preventing sudden blood sugar spikes after meals.
- Antioxidants: Red seed coats contain anthocyanins, which medical data shows help reduce body inflammation.

Stock photo for illustration only, not from the actual event
Aside from eating the beans, drinking boiled red bean water is a popular wellness alternative, particularly for reducing water retention. It is rich in potassium, which helps drive excess sodium out of the body, gradually alleviating bloating caused by consuming overly salty meals.
To make red bean water at home, wash 100 grams of red beans thoroughly and soak them in water for 8 to 12 hours or overnight to make them cook faster. Boil the soaked beans in 1.5 to 2 liters of water over medium-low heat for 30 to 40 minutes until the water turns clear red. Strain the liquid to drink without adding sugar, while the leftover beans can be used in other dishes.
Additional Context: Saponins and phytohemagglutinins found in raw beans are natural defense mechanisms against pests. Soaking overnight and boiling above 100 degrees Celsius are essential scientific steps to break down these compounds, preventing severe gastrointestinal irritation or food poisoning.
An important caution is to always cook red beans thoroughly before consumption. Raw red beans contain natural phytohemagglutinins that cause nausea, vomiting, and abdominal pain. Kidney patients and individuals with irritable bowel syndrome should exercise extreme caution or consult a physician due to high potassium and saponin levels.
Source: Thairath Lifestyle
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