Su Yixiang, a professor and doctoral supervisor in the Department of Nutrition, School of Public Health, Sun Yat-sen University, believes that nutritionally, all animal viscera are rich in protein, all of which are nutritious, and some viscera also contain special nutrients. However, the internal organs of animals, especially the liver, have high cholesterol content. For some adults, especially the elderly or those with high blood lipids, excessive cholesterol intake may increase the risk of hyperlipidemia and atherosclerosis. Therefore, in the absence of food safety, weighing the advantages and disadvantages of visceral nutrition, adults should try to eat less animal viscera.

At the same time, in recent years, with the aggravation of environmental pollution, the deterioration of water quality and the irregular use of pesticides and hormones in the field of aquaculture, the safety of animal internal organs, especially the liver and kidneys, has been questioned. Because the liver is the metabolic organ, and the kidney is the excretory organ, and it is also the part where toxins are most likely to accumulate. Su Yixiang also pointed out that from the current market and food pollution situation, the liver of poultry may be safer. . About fish, especially freshwater fish with good water quality or pollution-free and fish caught in the ocean, it is generally safe to eat.