Calorie & Nutrition Information for Costa Prawn Mayo Sandwich
Costa Prawn Mayo Sandwich contains 163 kcal per 100g, with 11.0g of protein, 21.0g of carbohydrates, and 3.4g of fat. High in protein, providing 11.0g per 100g.
UK nutrition data · FSA traffic lights · Reference Intakes
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Based on FSA traffic-light thresholds per 100g
| Nutrient | Per | Per 100g | % RI* |
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*Reference Intake of an average adult (8400kJ / 2000kcal)
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Nutritional Overview
Costa Prawn Mayo Sandwich is a prepared or takeaway food designed for convenience. Per 100g serving, it provides 163 kcal of energy, 11.0g of protein, 21.0g of carbohydrates, and 3.4g of fat.
It is a good source of protein, providing 11.0g per 100g (around 27% of its energy), approximately 22% of the UK Reference Nutrient Intake of 50g per day. Under UK/EU nutrition-claim rules, that meets the "high protein" threshold of at least 20% of energy from protein. Protein plays a key role in muscle repair, immune function, and keeping you feeling full for longer.
With only 1.4g of sugar per 100g, it meets the UK/EU "low sugar" nutrition-claim threshold. This makes it a suitable choice for those reducing their sugar intake as part of a balanced diet. Costa Prawn Mayo Sandwich brings 163 kcal to every 100g eaten. Our dinner calorie calculator tracks it honestly instead of leaving you to estimate by eye.
Frequently Asked Questions
How many calories are in Costa Prawn Mayo Sandwich?
Costa Prawn Mayo Sandwich contains 163 kcal per 100g, which is approximately 8% of the recommended daily intake of 2,000 kcal for an average adult.
Is Costa Prawn Mayo Sandwich high in protein?
Yes, Costa Prawn Mayo Sandwich provides 11.0g of protein per 100g (around 27% of its energy), meeting the UK/EU "high protein" nutrition-claim threshold of at least 20% of energy from protein. The UK Reference Nutrient Intake for protein is around 50g per day for adults. A 100g serving of Costa Prawn Mayo Sandwich provides 22% of this.
Is Costa Prawn Mayo Sandwich low in sugar?
Yes, Costa Prawn Mayo Sandwich has only 1.4g of sugar per 100g, meeting the UK/EU "low sugar" nutrition-claim threshold.
Sources & References
Data source for this food
- Costa Coffee UK's own official Store Allergen & Nutrition Guide (30 Apr - 26 Aug 2026 edition) — manufacturer's official product page
General nutrition references
- British Nutrition Foundation — UK nutrition science and education
- USDA FoodData Central — US Department of Agriculture food composition database
- NHS Eat Well — UK National Health Service dietary guidance
- Harvard T.H. Chan School of Public Health — The Nutrition Source — evidence-based nutrition research and dietary guidance
- Scientific Advisory Committee on Nutrition (SACN) — UK government dietary recommendations and nutrient reference values
Nutritional values are per 100g unless otherwise stated and are provided for general information only. Not a substitute for professional dietary or medical advice. If you have a health condition, allergy, or are pregnant, consult a qualified healthcare professional. Values may vary depending on brand, preparation method, and serving size.
Lower Calorie Alternatives
Real foods in the same category with meaningfully fewer calories than Costa Prawn Mayo Sandwich (163 kcal per 100g). Tap one to compare them side by side.