There is generally no optimal time to take selegiline phosphate tablets, usually taken once a day at a fixed time every day. Sitagliptin phosphate belongs to the dipeptidyl peptidase-IV inhibitor class of hypoglycemic drugs, which can promote insulin secretion by increasing the level of active intestinal insulinotropic hormone in the body. It is mainly used for the treatment of type 2 diabetes mellitus, and can be used as a single drug or in combination with metformin, sulfonylureas, insulin and other drugs. Selegiline phosphate tablets are flexible, you can choose the right time according to your personal situation, the time of day can be fixed, and the effectiveness of the drug is not affected by diet, meal time, before or after meals can be taken. Common adverse reactions to selegiline phosphate include allergy, elevated liver enzymes, upper respiratory tract infections, and pancreatitis. It is contraindicated in patients who are allergic to any of the ingredients in this product, diabetic ketoacidosis, etc. Sitagliptin Phosphate Tablets should be taken under the supervision of a doctor, and should not be taken on its own or increase or decrease the dosage on its own.