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Heinz Seriously Good Mayonnaise: calories, sugar, salt and nutrition
How many calories are in Heinz Seriously Good Mayonnaise? A tablespoon (15g) contains 102 kcal. Heinz Seriously Good Mayonnaise is one of the most calorie-dense condiments: a four-tablespoon portion (60g) delivers 408 kcal, comparable to a chocolate bar.
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Nutrition by portion size
The table below shows how the nutrition changes across realistic portion sizes.
Nutrition by portion size: Heinz Seriously Good Mayonnaise
Portion
Calories
Sugar
Salt
Sat fat
1 teaspoon (7g)
48 kcal
0.18g
0.1g
0.41g
1 tablespoon (15g)
102 kcal
0.38g
0.21g
0.87g
2 tablespoons (30g)
204 kcal
0.75g
0.42g
1.74g
4 tablespoons (60g)
408 kcal
1.5g
0.84g
3.48g
Sugar highlighted in amber above 20% of adult daily limit, red above 75%. Salt highlighted in amber above 38% of adult daily limit (2.3g per day), red above 75%.
Heinz Seriously Good Mayonnaise contains 680 kcal, 73g of fat (5.8g saturated), 2.8g of carbohydrate (2.5g sugar), 1.3g of protein and 1.4g of salt per 100g. A standard mayonnaise portion — 1 teaspoon (7g) — delivers 48 kcal, 0.18g of sugar and 0.1g of salt.
Heinz Seriously Good Mayo uses whole egg rather than separated egg and yolk. At 73% rapeseed oil it sits just below Hellmann's Real Mayo (79% oil) in fat content. A tablespoon (15g) delivers 102 kcal and 10.95g of fat.
Portion size matters significantly for condiments. A small squeeze or single teaspoon contributes little to daily intake. But condiments are easy to apply generously: 1 teaspoon (7g) delivers 0.18g of sugar and 0.1g of salt, while 4 tablespoons (60g) delivers 1.5g of sugar and 0.84g of salt. Adding multiple condiments to a single meal multiplies this further.
Sugar
Heinz Seriously Good Mayonnaise contains 2.5g of sugar per 100g. 1 teaspoon (7g) delivers 0.18g of sugar. Sugar in condiments is all free sugar: unlike the naturally occurring sugars in whole fruit or plain dairy, there is no food matrix to slow absorption.
Salt
Heinz Seriously Good Mayonnaise contains 1.4g of salt per 100g. 1 teaspoon (7g): 0.1g (2% of the adult daily limit of 6g); 1 tablespoon (15g): 0.21g (3% of the adult daily limit of 6g); 2 tablespoons (30g): 0.42g (7% of the adult daily limit of 6g); 4 tablespoons (60g): 0.84g (14% of the adult daily limit of 6g).
Ingredients and ultra-processed food
Heinz Seriously Good Mayonnaise is a commercially produced mayonnaise. Its ingredients are: Rapeseed oil (73%), water, pasteurised whole egg (5.2%), spirit vinegar, sugar, salt, mustard flour, lemon juice concentrate, natural flavouring..
Reading the ingredient list closely, it contains natural flavourings. Natural flavourings enhance or standardise the flavour profile across large-scale production.
A home-made equivalent would typically require fewer ingredients. The processing aids are used to deliver a consistent flavour, texture and shelf life at scale that home preparation cannot match.
Heinz Seriously Good Mayonnaise falls into NOVA group 4, ultra-processed food. It contains natural flavourings, used to create a consistent product at industrial scale. Most commercially produced condiments, including those made primarily from natural ingredients like tomatoes or peppers, are classified as ultra-processed due to the additives and processing aids used in production.
Allergens
Allergen information: Heinz Seriously Good Mayonnaise
Wheat
Not present
Rye
Not present
Barley
Not present
Oats
Not present
Sesame
Not present
Soya
Not present
Milk
Not present
Eggs
Contains
Fish
Not present
Crustaceans
Not present
Celery
Not present
Mustard
Contains
Molluscs
Not present
Lupin
Not present
Frequently asked questions
Heinz Seriously Good Mayonnaise contains 2.5g of sugar per 100g. 1 teaspoon (7g): 0.18g of sugar; 1 tablespoon (15g): 0.38g of sugar; 2 tablespoons (30g): 0.75g of sugar; 4 tablespoons (60g): 1.5g of sugar. All sugar in condiments is free sugar and counts towards the NHS daily free sugar limit (30g for adults, 24g for children aged 7 to 10, 19g for children aged 4 to 6).
Heinz Seriously Good Mayonnaise contains 1.4g of salt per 100g. 1 teaspoon (7g): 0.1g of salt (2% of the adult daily limit); 1 tablespoon (15g): 0.21g of salt (3% of the adult daily limit); 2 tablespoons (30g): 0.42g of salt (7% of the adult daily limit); 4 tablespoons (60g): 0.84g of salt (14% of the adult daily limit). The adult daily salt limit is 6g; for children aged 7 to 10 it is 5g, and for children aged 4 to 6 it is 3g.
Yes, Heinz Seriously Good Mayonnaise is classified as NOVA group 4, ultra-processed food. It contains natural flavourings. This applies to almost all commercially produced condiments, regardless of how natural their core ingredients are.
Heinz Seriously Good Mayonnaise contains eggs and mustard.
At 2.5g per 100g, Heinz Seriously Good Mayonnaise sits in the mid-range for sugar content among condiments. Ketchup contains 23.7g per 100g; mustard typically contains 2 to 5g per 100g.
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Nutrition information from UK manufacturer labels and retailer databases (Tesco, Ocado, Heinz To Home, official brand websites). Per-portion values calculated proportionally from per-100g figures. NHS/SACN guidelines used for daily limits. For guidance only, not medical advice.
