Red wine with onion can reduce blood fat and soften blood vessels. Soaking onions in red wine not only has the functions of lowering blood fat, lowering blood sugar and protecting the heart, but also contains many antioxidants, so it has certain anti-cancer and anti-aging effects. Zhong Xiaohui: When it comes to efficacy and function, we must first talk about the chemical substances of onions. It is quercetin, a chemical substance that can prevent thickening and inflammation of blood vessel walls, thus reducing the risk of heart disease and stroke. Moreover, you don't need to eat a lot of onions for this, just a little at a time can play a good role. Red wine with onion can reduce blood fat and soften blood vessels. Soaking onions in red wine can not only reduce blood fat and blood sugar, but also protect the heart. At the same time, it contains many antioxidants, so it has certain anti-cancer and anti-aging effects. So whether it is healthy or unhealthy, eating it is of great benefit.