Cara Cara oranges are amazing sources of vitamin C and are good sources of vitamin A, potassium, antioxidants, and minerals. Below are the basic nutrition facts for a medium Cara Cara orange, about 154 grams. The percentages are your daily recommended value for a 2,000-calorie diet. Calories: 80 Total fat: 0 Sodium: 0 Potassium: 260 milligrams Total carbohydrates: 21 grams Dietary fiber: 7 grams, 28% Protein: 1 gram Vitamin A: 31% Vitamin C: 226% Calcium: 2%