Apples do not contain any caffeine, with nutritional content charts claiming 0.0 mg of caffeine for this fruit. While there is no caffeine content, apples do contain approximately 13 mg of sugar.
Medium apples contain approximately 65 calories, 17.3 carbohydrates and 3.0 grams of dietary fiber. They have about 0.2 grams of total fat with no saturated fat or monounsaturated fat. There are 11.2 mg of omega-3 fatty acids and 53.8 mg of omega 6 fatty acids in apples. This fruit contains a lot of vitamins and minerals, including vitamin A, vitamin C, vitamin D, vitamin E and vitamin K. There is also a good amount of thiamine, riboflavin, folate calcium, magnesium and iron in apples.