Depending upon your choice of preference (red or white wine), the nutritional content of this alcoholic beverage will vary. However, the antioxidant power of red wine is much higher in comparison to white wine. One cannot deny the fact that wine when taken in moderation can have a positive impact on health. When the beverage is consumed in moderate amounts, it raises good cholesterol, which helps to significantly reduce the risk of heart related disorders. Nutritional Profile of Wine Nutritional value of a glass of wine (3.5 oz or 103 g) is as follows: Vitamins A careful analysis has revealed that the only vitamin found in a glass of wine is riboflavin. This is one of the B vitamins and is also referred to as vitamin B2. Although vitamin B2 is present in wine, the quantity is negligible. A glass of wine contains just 0.01% of riboflavin. Antioxidants Red wine is high in resveratrol, a compound that displays excellent antioxidant activity. Antioxidants like resveratrol play a key role to salvage the body from the mayem of free radicals. Free radical damage is known to accelerate aging and cause a wide range of health problems including Alzheimer's and cancer. So, from a health point of view, moderate wine consumption can go a long way in warding of sickness. White wine also contains resveratrol but in smaller amounts. Minerals No mineral content, is one of the major drawbacks of most alcoholic beverages. As we all know, dietary mineral intake are essential for a healthy living, but minerals are totally absent in 3.5 oz of wine (103 g). Proteins Proteins are present in this alcoholic beverage but again the content is insignificant. 103 g of red wine has approximately 0.1 g of protein. Calories A glass of red wine contains as many as 110 calories. So, avoid taking too much of red wine to prevent downing excess calories. Carbohydrates Most of the calories come from carbohydrates, as it is devoid of saturated fats. It is observed that 3.5 oz of red wine will approximately have 2.4 g of carbohydrates. Sugar Not all varieties of wine contain sugar, however, the dessert wine, well-known for its sweet taste has sugar in it. In dessert wine, sugar is added to enhance its taste. However, sugar is naturally found in wine due to the presence of grapes. A glass of red wine contains 0.8 g of sugar. Nutritional Content of White Wine Well, drinking a glass of white wine means you consume approximately 1.14 g of carbohydrates, 96 calories and 0.14 grams of proteins. The sodium content is found to be 7 mg in a serving of white wine. On the whole, be it red wine or white wine, drinking it wisely is the key to reap its heart-protective benefits. 5 oz of wine a day can work wonders for your health and will particularly keep your cardiovascular system healthy.