Fava beans eaten too much may lead to gastrointestinal flatulence and body fat, may also lead to gout attacks and allergies and other symptoms, serotonin patients may be hemolyzed. 1. Gastrointestinal flatulence: fava beans contain more fiber, if you eat too much, it is easy to produce stimulation of the gastrointestinal tract, resulting in gastrointestinal flatulence. 2. body fat: fava beans are rich in energy, every 100g of fava beans about 338 calories, its carbohydrate content can reach 61.5g/100g. If often eaten too much, the body’s total calorie intake more than the consumption of calories, excess calories can easily be converted into fat in the body, resulting in body fat. 3. elevated uric acid levels: fava beans contain purine is usually high, per 100g fava beans purine content in 50 ~ 150 mg or so, if often overconsumption, gout patients eat may lead to disease attack. 4. Allergy: If you are allergic to fava beans, it is easy to have an allergic reaction after eating fava beans, for example, it will lead to pimples on the skin, and in severe cases, there may be breathing difficulties. 5. Fava bean disease: If you are suffering from fava bean disease, eating fava beans can easily trigger an attack. For the sake of health considerations, it is recommended that no matter whether you eat fava beans or other foods, you should control the amount, do not eat too much, if you are allergic to fava beans or have fava bean disease yourself, avoid eating fava beans.