5 to prevent stomach problems, friends who are prone to indigestion and loss of appetite can drink onions with red wine. Can contribute to gastrointestinal activities, protect the stomach and prevent stomach diseases. Drinking a glass of red wine soaked in onions has a good regulating effect on gastrointestinal muscle contraction and solves indigestion and flatulence caused by gastrointestinal discomfort. Soaking onions in red wine helps digestion and keeps the intestines healthy and smooth.

6 Protecting blood vessels In recent years, there are more and more patients with vascular diseases, and measures should be taken to protect blood vessels. Soaking onions in red wine can protect blood vessels. Red wine soaked with prostaglandin A contained in onion can help dilate blood vessels, reduce blood viscosity, maintain cardiovascular operation and protect human body.