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Jr. Jumbo Jack®

Jack in the Box · United States

Updated September 23, 2026

Jr. Jumbo Jack®

Oils & additives

Explore the ingredients PRūF tracks. Possible alternatives are labeled. The ingredient statement is below.

Nutrition

Recorded nutrition for Jr. Jumbo Jack®
NutrientAmount
Calories400
Total fat25 g
Saturated fat6 g
Trans fat0.5 g
Cholesterol30 mg
Sodium700 mg
Carbohydrate31 g
Fiber1 g
Total sugars5 g
Protein14 g

Serving size: 151 g

Allergens

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Ingredients

Bun, Regular (Enriched Flour (Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Water, High Fructose Corn Syrup Or Sugar, Yeast, Soybean Oil, Contains 2% Or Less Of Each Of The Following: Wheat Gluten, Salt, Sunflower Oil, Vegetable Proteins, Wheat Maltodextrins, Wheat Dextrose, Corn Starch, (Due to Regional Differences Contains One Or More Of The Following): Dough Conditioner (Sodium Stearoyl Lactylate, Calcium Stearoyl Lactylate, Monoglycerides, And/Or Diglycerides, Distilled Monoglycerides, Calcium Peroxide, Calcium Iodate, Datem, Ethoxylated Mono- And Diglycerides, Enzymes, Ascorbic Acid, Monocalcium Phosphate), Calcium Sulfate, Ammonium Sulfate, Calcium Carbonate, Calcium Propionate (To Retard Spoilage). Toasted With Butter Flavored Vegetable Oil. Contains Wheat, Soy Or Enriched Unbleached Wheat Flour (Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin And Folic Acid), Water, Yeast, Sugar, Soybean Oil, Contains 2% Or Less Of Each Of The Following: Vital Wheat Gluten, Salt, Yeast Nutrient (Ammonium Sulfate), Dough Conditioners (Sodium Stearoyl Lactylate, Ascorbic Acid, Monocalcium Phosphate), Enzymes, Calcium Propionate (Mold Inhibitor), Vegetable Proteins, Dextrose, Maltodextrins, Starch, Sesame Flour. Toasted With Butter Flavored Vegetable Oil. Contains Wheat, Sesame, Soy) || Beef Hamburger Patty (Beef) || Lettuce (Iceberg Lettuce.) || Tomatoes. || Pickles, Dill Slices (Cucumbers, Water, Vinegar, Salt, Contains Less than 2% of: Sodium Benzoate (Preservative), Alum, Calcium Chloride, Natural Flavors, Polysorbate 80, Yellow 5.) || Onion, Short Sliced (White or Yellow Onions) || Ketchup (Tomato Concentrate from Red Ripe Tomatoes, Distilled Vinegar, High Fructose Corn Syrup, Corn Syrup, Salt, Spice, Onion Powder, Natural Flavoring.) || Mayonnaise (Soybean Oil, Water, Salted Egg Yolks (Egg Yolk, Salt), Distilled Vinegar, Sugar, Salt, Spice, Lemon Juice Concentrate, Calcium Disodium EDTA (to protect flavor). Contains Egg OR Soybean Oil, Water, Egg Yolks, Distilled Vinegar, Salt, Sugar, Mustard Flour, Lemon Juice Concentrate, Calcium Disodium EDTA (to protect flavor). Contains Egg)

Sources

Jack in the Box nutrition & ingredient source

Updated September 23, 2026. Recipes and availability may vary by location.

Menu category: Burgers