For instance, apples are a good source of vitamin C – an average-size eating apple weighing 112 grams provides 25 per cent of the recommended daily intake of the vitamin – although levels do vary considerably between varieties.Click to see full answer. In respect to this, are apples a good source of vitamin C?Apples boast many vitamins and minerals, though not in high amounts. However, apples are usually a good source of vitamin C. Vitamin C. Also called ascorbic acid, this vitamin is a common antioxidant in fruits.Furthermore, do apples contain ascorbic acid? All apples contain Vitamin C (also known as ascorbic acid), but levels vary considerably between varieties. what fruit is highest in vitamin C? Fruits with the highest sources of vitamin C include: Cantaloupe. Citrus fruits and juices, such as orange and grapefruit. Kiwi fruit. Mango. Papaya. Pineapple. Strawberries, raspberries, blueberries, and cranberries. Watermelon. How much vitamin C do I need?For adults, the recommended daily amount for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea. Nausea.