Red wine contains three major nutrients required for the activities of human body: vitamins, sugar and protein. And it also contains 24 kinds of amino acids and various kinds of organic acids, such as citric acid, malic acid, and so on. All of these nutrients contained in red wine have a lot of benefits on human body. 

First of all, red wine can improve the appetite.
With its bright color and aroma, red wine can give people a happy mood. More important, when you taste red wine, the astringency of tannin contained in red wine can promote your appetite. All of these can make your body stay in a comfortable and relaxing state, which is conducive to your health.

Secondly, red wine can nourish the body.
Red wine contains a lot of sugar, amino acids, vitamins, minerals, all of which are essential nutrients to human body. Especially for those who are physically weak, if they often drink some red wine moderately, it is helpful for the recovery of health. What’s more, Red wine contains polyphenols and Oligoe Lement, which have effect, and can prevent the damages of reactive oxygen produced in the metabolism of the body. All of these damages are the main factors which may lead to some degenerative diseases such as cataracts, cardiovascular disease, arteriosclerosis, aging, and so on. Therefore, regular moderate drinking red wine has the effect of preventing aging and prolonging human life.

Thirdly, red wine can promote the digestion.
Red wine can stimulate the secretion of gastric acid. Every 60 to 100 grams of red wine can increase the secretion of gastric juice by 120 ml. Red wine contains sorbitol, which can help digestion and prevent constipation. What’s more, the tannin substance contained in red wine can increase the contraction of muscle fibers in the intestinal muscle system, and regulate the function of the colon. As a result, it has a certain effect on colitis.

Last but not the least, red wine is helpful for weight-loss
One liter of red wine only contains 525 calories, which is only 1/5 of the average calorie needed by the human body every day. In addition, red wine can be directly absorbed and digested by the body. So all of the calories of red wine can be completely consumed by the human body within 4 hours, without making people fat. As a result, for people who often drink red wine, it not only can supplement the water and nutrients needed by human body, but also can help people lose weight.