Eating sunflower seeds in moderation can supplement unsaturated fatty acids, protein, carbohydrates, vitamins, minerals and other nutrients, but long-term over-eating sunflower seeds may cause gastrointestinal discomfort, elevated blood lipids, obesity and so on. 1. Gastrointestinal discomfort: excessive consumption of sunflower seeds may lead to gastrointestinal irritation, abdominal pain, diarrhea, indigestion and other symptoms. 2. Elevated blood lipids: sunflower seeds contain more fat, about 53.4 grams of fat per 100 grams, long-term overconsumption may increase cholesterol in the body, thus causing elevated blood lipids. 3. Obesity: sunflower seeds contain sugar and oil, high calorie, per 100 grams of sunflower seeds kernel containing energy 615 kcal, excessive consumption may cause obesity. Obesity is the incidence of diabetes, hypertension, hyperlipidemia, hypercholesterolemia and other diseases. To summarize, sunflower seeds need to be consumed in moderation, and those who are allergic to sunflower seeds are prohibited from consuming sunflower seeds.