Calories in Fruit Gushers based on the calories, fat, protein, carbs and other nutrition information submitted for Fruit Fruit Gushers Watermelon Blast (1 serving). Visit CalorieKing to see calorie count and nutrient data for all portion sizes. How many calories in Betty Crocker Fruit Gushers Fruit Flavored Snack Average All. There are 90 calories in a 1 pouch serving of General Mills Fruit Gushers. Calorie breakdown: 10% fat, 90% carbs, 0% protein. Related Snacks from General Mills.