Although burdock root is a very healthy food, some people have some side effects and taboos, as follows:

Side effects:

1. People with poor liver and kidney function should not eat more burdock, because burdock root contains substances such as calcium oxalate, which is easy to cause symptoms such as uric acid and kidney calculi.

2. It is best to cut the burdock root into thin slices or filaments after cooking, which can make burdock easier to digest and absorb, and at the same time reduce the irritation to the mouth and digestive tract.

3. Burdock root contains volatile oil, which is easy to irritate eyes and skin, so it is best to soak or heat the burdock root with water before eating.

4. Some people will have allergic reactions to burdock, such as shortness of breath, rash, redness and other symptoms, and should seek medical attention immediately.

Taboo:

1. People with poor liver and kidney function should not eat more burdock;

2. People with weak spleen and stomach and diarrhea should not eat more burdock;

3. Patients with chronic gastritis and ulcer should not eat more burdock, because it contains irritating substances, which can easily stimulate gastric mucosa and aggravate the condition;

4. Pregnant women, lactating women and children should eat burdock in moderation, not in excess.