Glucose syrup is a kind of starch syrup produced by the action of enzymes or acids with starch as raw material, and the main components are glucose, maltose, maltotriose, maltotetraose, and tetraose and above. It is also known as liquid glucose and glucomaltose syrup. Glucose syrup is mainly used as a sweetener in commercial food production to improve taste and shelf life. Glucose syrup contains no fat or protein, but is a concentrated source of sugar and calories. Glucose syrup is an excellent source of energy for the body, quickly replenishes glycogen in the body’s muscles, and has a fatigue-reducing effect. Clinically, patients with hypoglycemia can take glucose syrup to raise their blood sugar under the guidance of a doctor. It is recommended to supplement glucose syrup in moderation to avoid oversupplementation that may cause discomfort.