Read this warning before eating water chestnut, it can be harmful for these 4 people
Samira Vishwas October 22, 2025 12:24 PM

Water chestnut, a small black fruit seen in the markets in winter, is considered very beneficial for health. This fruit, which grows in water sources, is a storehouse of many nutrients and it also has a special place in fasting. It is rich in fiber, potassium, antioxidants and vitamin B6, which not only provides energy to the body but also protects from many diseases.

But do you know that eating water chestnut is not beneficial for all people? In certain circumstances, this fruit can also cause harm to the body. Let us know about those 4 types of people who should avoid water chestnuts, and why.

1. Thyroid patients should be cautious

If a person has hypothyroidism problem, water chestnut is not suitable for them. Goitrogenic elements are found in it, which can affect the function of the thyroid gland. This can further increase problems like hormonal imbalance and fatigue, weight gain.

“Thyroid patients should consume water chestnuts sparingly or only after consulting a doctor.”

2. People prone to allergies

Water chestnuts may also cause allergic reactions in some people, such as itching, skin rash, sore throat, or difficulty breathing. If someone is already allergic to nuts or water fruits, water chestnuts can prove dangerous for them.

3. If your digestive system is weak, eat wisely.

Although water chestnuts are rich in fiber, some people may suffer from indigestion, heaviness in the stomach or gas. Especially if raw water chestnut is consumed or consumed in large quantities, digestive problems may increase.

Such people can eat water chestnuts in limited quantities by boiling them or making flour pudding.

4. Patients suffering from kidney problems

Water chestnuts are high in potassium, which is generally beneficial. But this excess potassium can cause problems for kidney patients, because their kidneys are not able to filter it. This can lead to conditions like hyperkalemia, which can affect the heartbeat.

expert opinion

Nutritionist Dr. says –

“Water chestnuts act as a superfood, but like all foods, it should be taken as per the individual’s health condition. Excessive consumption without knowledge can be harmful.”

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