Boone’s analysis puts the whole Domino’s Tuna Supreme Double Decadence pizza at 127% of an adult’s daily calories, 459% of the daily salt limit for a child aged 4 to 6 and 7.6 teaspoons of free sugar.
How many calories are in a Domino’s Tuna Supreme Double Decadence pizza? A slice of the large is 253 kcal. The whole pizza, cut into 10 slices, is 2,532 kcal, with 115g of fat (66g saturated), 30g of sugar and 14g of salt.
These figures are for the large. Domino’s also makes it as a medium (1,877 kcal), and the size table below gives every one.
This page covers the Double Decadence. As a large, the same pizza is 2,129 kcal as Classic Crust, 1,770 kcal as Italian Style Crust, 2,297 kcal as Stuffed Crust and 1,563 kcal as Thin & Crispy.
Build a full meal with our nutrition calculator
Use the Boone meal calculator to build a full meal rather than view this item on its own. Add a pizza or main, a side, a dip and a dessert, then choose your age and sex for a more accurate view of how a Tuna Supreme Double Decadence pizza fits into a day.
Nutrition information
Nutrition information: Domino’s Tuna Supreme Double Decadence pizza, large (per slice / whole pizza)
| Energy | 253 kcal a slice / 2,532 kcal whole |
| Fat | 11g / 115g |
| of which saturates | 6.6g / 66g |
| Carbohydrate | 26g / 262g |
| of which sugars | 3g / 30g |
| Fibre | 3.1g / 31g |
| Salt | 1.4g / 14g |
| Protein | 11g / 114g |
Nutrition figures are Domino’s UK published data (7 September 2026), per slice and per whole pizza, before dips. Boone converts the figures to the portion and age comparisons on this page.
Whole pizza by size: Domino’s Tuna Supreme Double Decadence pizza
| Size | Calories | Fat | Saturates | Carbs | Sugars | Fibre | Protein | Salt |
|---|
| Large | 2,532 kcal | 115g | 66g | 262g | 30g | 31g | 114g | 14g |
| Large (reduced-fat mozzarella) | 2,501 kcal | 88g | 36g | 312g | 55g | 38g | 116g | 13g |
| Medium | 1,877 kcal | 90g | 52g | 179g | 23g | 22g | 88g | 11g |
| Medium (reduced-fat mozzarella) | 1,795 kcal | 61g | 28g | 204g | 45g | 29g | 107g | 9g |
Domino’s cuts a Large into 10 slices, a Medium into 8, a Small into 6 and a Personal into 4. Reduced-fat mozzarella figures are Domino’s own, for the same pizza made with its reduced-fat cheese option.
The whole Domino’s Tuna Supreme Double Decadence pizza (large) contains 2,532 kcal, which is 127% of the 2,000 kcal adult daily reference intake. It provides 115g of total fat, of which 66g is saturated, 30g of sugar, 14g of salt and 114g of protein.
The saturated fat content of 66g represents 332% of the adult daily guideline of 20g.
Domino’s does not publish portion weights, so Boone cannot show figures per 100g for this item.
Sugar in Domino’s Tuna Supreme Double Decadence pizza
The whole Domino’s Tuna Supreme Double Decadence pizza contains 30g of free sugar (7.6 teaspoons). High sugar
The NHS free sugar limit is 30g per day for adults, 24g for children aged 7 to 10, and 19g for children aged 4 to 6. Free sugar excludes the sugars naturally present in milk and whole fruit.
Free sugar by portion: Domino’s Tuna Supreme Double Decadence pizza
| Portion | Adult (female)
30g | Adult (male)
30g | Age 11 to 17
30g | Age 7 to 10
24g | Age 4 to 6
19g |
|---|
| 1 slice (Large) | 3g
10% | 3g
10% | 3g
10% | 3g
13% | 3g
16% |
| Whole large (10 slices) | 30g
101% | 30g
101% | 30g
101% | 30g
126% | 30g
159% |
| Whole medium (8 slices) | 23g
78% | 23g
78% | 23g
78% | 23g
98% | 23g
123% |
Teaspoons: 7.6 tsp
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Salt in Domino’s Tuna Supreme Double Decadence pizza
The whole Domino’s Tuna Supreme Double Decadence pizza contains 14g of salt. High salt
Children have lower salt limits: 3g per day for ages 4 to 6, 5g for ages 7 to 10.
Salt by portion: Domino’s Tuna Supreme Double Decadence pizza
| Portion | Adult (female)
6g | Adult (male)
6g | Age 11 to 17
6g | Age 7 to 10
5g | Age 4 to 6
3g |
|---|
| 1 slice (Large) | 1.4g
23% | 1.4g
23% | 1.4g
23% | 1.4g
28% | 1.4g
46% |
| Whole large (10 slices) | 14g
229% | 14g
229% | 14g
229% | 14g
275% | 14g
459% |
| Whole medium (8 slices) | 11g
178% | 11g
178% | 11g
178% | 11g
214% | 11g
357% |
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Calories in Domino’s Tuna Supreme Double Decadence pizza
The whole Domino’s Tuna Supreme Double Decadence pizza contains 2,532 kcal. High calorie share
Daily calorie needs vary by age and sex.
Calories by portion: Domino’s Tuna Supreme Double Decadence pizza
| Portion | Adult (female)
2,000 kcal | Adult (male)
2,500 kcal | Age 11 to 17
1,936 kcal | Age 7 to 10
1,553 kcal | Age 4 to 6
1,291 kcal |
|---|
| 1 slice (Large) | 253 kcal
13% | 253 kcal
10% | 253 kcal
13% | 253 kcal
16% | 253 kcal
20% |
| Whole large (10 slices) | 2,532 kcal
127% | 2,532 kcal
101% | 2,532 kcal
131% | 2,532 kcal
163% | 2,532 kcal
196% |
| Whole medium (8 slices) | 1,877 kcal
94% | 1,877 kcal
75% | 1,877 kcal
97% | 1,877 kcal
121% | 1,877 kcal
145% |
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Saturated fat in Domino’s Tuna Supreme Double Decadence pizza
The whole Domino’s Tuna Supreme Double Decadence pizza contains 66g of saturated fat. High saturated fat
The saturated fat guideline is 20g a day for women and 30g for men, and lower for children.
Saturated fat by portion: Domino’s Tuna Supreme Double Decadence pizza
| Portion | Adult (female)
20g | Adult (male)
30g | Age 11 to 17
20g | Age 7 to 10
18g | Age 4 to 6
16g |
|---|
| 1 slice (Large) | 6.6g
33% | 6.6g
22% | 6.6g
33% | 6.6g
37% | 6.6g
41% |
| Whole large (10 slices) | 66g
332% | 66g
221% | 66g
332% | 66g
368% | 66g
414% |
| Whole medium (8 slices) | 52g
258% | 52g
172% | 52g
258% | 52g
287% | 52g
323% |
Boone calculates these percentages from Domino’s UK published nutrition data against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under. For guidance only.
Ultra-processed food: what is really in it
Processing and additives: Domino’s Tuna Supreme Double Decadence pizza
Reading the published ingredient list closely, the whole Domino’s Tuna Supreme Double Decadence pizza contains emulsifiers, stabilisers and thickeners, preservatives, acidity regulators and flour treatment agents. These are not there to add nutritional value. They make industrial production and distribution possible.
Emulsifiers
Help oil-based and water-based ingredients blend and stay blended. Found in the double decadence dough.
Stabilisers and thickeners
Give sauces, fillings and processed meats body and hold water in. Found in the double decadence dough.
Preservatives
Extend shelf life by slowing the growth of bacteria and moulds. Found in the double decadence dough.
Acidity regulators
Control sourness and help preserve. Found in the double decadence dough, tomato sauce and sweetcorn sweetcorn.
Flour treatment agents
Strengthen dough so it survives machine handling. Found in the double decadence dough.
Boone classifies Domino’s Tuna Supreme Double Decadence pizza as NOVA group 4, ultra-processed, based on the ingredients named above. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list, September 2026.
The whole Domino’s Tuna Supreme Double Decadence pizza contains 32 distinct ingredients: 20 raw and 12 manufactured. Raw means something you could buy and cook with at home; manufactured means a substance that only exists as an output of industrial processing.
Ingredients
Domino’s Tuna Supreme Double Decadence pizza is assembled from 6 separately prepared components.
Ingredients by component: Domino’s Tuna Supreme Double Decadence pizza
Double Decadence dough
Thin & Crispy WHEAT flour, Water, Rapeseed Oil, Emulsifiers (Mono and Diglycerides, Mono and Diacetyl tartaric acid), Salt, Yeast, Preservative (Potassium Sorbate, Calcium Propionate), Sugar, Flour Treatment Agents (Ascorbic Acid, L Cysteine). Garlic & Herb Liquid Cheese: Cheese (MILK), Water, Stabilisers (E339, E452) Garlic, Herbs, Preservative: Potassium Sorbate (E202), Lactic Acid (E270).
Tomato Sauce
(Tomatoes, Sugar, Salt, Garlic, Black Pepper, Oregano, Basil, Chilli, Peppermint, Acidity Regulatory: Citric Acid).
Tuna
(Tuna (FISH), Sunflower Oil, Salt).
Sweetcorn Sweetcorn
(Sweetcorn, Water, Acidity Regulator: Citric Acid).
Ingredients from the Domino’s UK Ingredients & Allergen Information guide (correct as of 7 September 2026). Allergens are shown in CAPITALS. Where Domino’s lists alternative suppliers, Boone shows the first. Recipes change, so always check the latest guide if you have an allergy.
Allergens at a glance
The whole Domino’s Tuna Supreme Double Decadence pizza contains wheat, milk and fish.
Allergen information: Domino’s Tuna Supreme Double Decadence pizza
| Allergen | Status |
|---|
| Wheat | Contains |
| Rye | Not present |
| Barley | Not present |
| Oats | Not present |
| Sesame | Not present |
| Soya | Not present |
| Milk | Contains |
| Eggs | Not present |
| Fish | Contains |
| Crustaceans | Not present |
| Molluscs | Not present |
| Celery | Not present |
| Mustard | Not present |
| Lupin | Not present |
| Sulphites | Not present |
| Peanuts | Not present |
| Tree nuts | Not present |
Contains = declared as an ingredient in Domino’s guide. Domino’s prepares food in stores where equipment and utensils are shared, so it cannot guarantee any product is free from allergens, even when ingredients are removed on request. Its gluten free pizzas are prepared under procedures accredited by Coeliac UK and contain less than 20ppm gluten. For pizzas Boone combines the allergens for the crust, sauce, cheese and toppings. From the Domino’s UK Ingredients & Allergen Information guide (correct as of 7 September 2026).
