Ku nothing contains a kind of plant toxin-alkaloid glycoside toxin, which is not easy to be destroyed after heating, and can cause food poisoning if eaten by mistake. After eating bitter gourd by mistake for several hours, people with mild poisoning will have symptoms such as dry mouth, dizziness, nausea, fatigue and drowsiness. Severe poisoning is characterized by nausea, vomiting, abdominal cramps, diarrhea, dehydration and bloody stool. It may be life-threatening in severe cases. The gourd we usually eat is sweet, but bitter gourd is actually different in variety, but it is difficult to distinguish it. Many bitter melons are shaped like incandescent bulbs, and some are skinny on the outside. But it's safest to taste it, and give up buying immediately after suffering.