There are 10 calories in 3 pieces of Mezzetta Golden Peperoncini. ... calcium, and vitamin C, so be sure to check your nutrition information on the label if you want these added benefits in your pepperoncinis. Get full nutrition facts for other Mezzetta products and all your other favorite brands. Head to the diet generator and enter the number of calories you want. The Nutritional Makeup of Pepperoncinis. The mighty Pepperoncini may be small but packs in tons of flavor, health benefits, and more. Calories, carbs, fat, protein, fiber, cholesterol, and more for Pepperoncini Peppers (Salad Bar - Shoney's). They barely nudge the pepper scale, right down there with the pimento pepper in terms of hotness. Want to use it in a meal plan? The Health Benefits of Heat in Pepperoncinis. When comparing the pepperoncini across a wide breadth of the Scoville scale, you can see, in perspective, how mild this chili pepper really is. Unico Pickled Greek Pepperoncini Peppers. NUTRITION LABEL (% of daily value based on 2000 calories per day) Nutrition Facts. Serving Size: tbsp (30g) * Amount Per Serving ; Calories: 10 cal : Calories from Fat: 0 cal % Daily Value : Total Fat: In fact, the pepperoncini (100 to 500 Scoville heat units) is much closer to a bell pepper than a jalapeño, which comes in on average 40 times hotter..