Clementine oranges are exceptional sources of vitamin C. If you're looking for a way to bolster your lunches or you need a healthier snack, having a bag of clementines at the ready is a smart move. Below are some of the basic nutrition facts for 74 grams of clementine orange, which is about one fruit. The percentages are the portion of a daily recommended value for a 2,000-calorie diet. Calories: 35 Protein: 0.6 grams Fat: 0 grams Sugars: 6.8 grams Total carbohydrates: 8.9 grams Dietary fiber: 1.3 grams Vitamin C: 40%