The situation is similar for sugar content: Chocolate milk contains about 25 grams of sugar per cup, of which roughly 12 grams comes from the naturally occurring lactose sugar present in milk. The other 13 grams, or just more than three teaspoons, is added sugar.Click to see full answer. In this way, does chocolate milk have too much sugar?Chocolate milk has between 8 and 12 additional grams of sugar added. So, about one-half of the sugar in chocolate milk is naturally-occurring lactose found in all milk. Only about 60 calories in chocolate milk are from added sugars, which is small relative to the powerhouse of nutrients it provides.Additionally, how much sugar is added in chocolate milk? The situation is similar for sugar content: Chocolate milk contains about 25 grams of sugar per cup, of which roughly 12 grams comes from the naturally occurring lactose sugar present in milk. The other 13 grams, or just more than three teaspoons, is added sugar. Then, is the sugar in chocolate milk bad for you? Chocolate milk is high in saturated fat and added sugars, which may negatively impact heart health. For example, research shows that consuming 17–21% of calories from added sugar may increase your risk of heart disease by 38%, compared to consuming less than 8% of calories from added sugar ( 34 ).Why is chocolate milk bad for you?An example is that chocolate milk contains caffeine, saturated fat and sugar, plus a few unneeded calories; chocolate milk can be very dangerous because of those. Plain milk has double the vitamins, calcium and protein and less calories that chocolate milk. Finally chocolate milk can give sugar rush and hyperactivity.