On a Diet? Bread and baked products are high in carbs and sugars, low in micronutrients and the gluten often causes digestive problems. Most baked goods like Diet Pepper are enriched with extra nutrients but for weight loss the calories and carbs outweigh the health benefits. In moderation, Diet Peppers can be enjoyed as part of a healthy diet. Below you will find the calorie and nutrition data for your query ‘How Much Sugar is in a 1 Diet Dr Pepper’ plus other popular serving quantities. See Calories, Carbs, Fat. Protein and find sound advice on diets, including keto and low carb. Also check out our recipes and meal plans with 1 Diet Dr Pepper Continue Reading →