How Many Calories in Greggs Vanilla Custard Slice?
Greggs Vanilla Custard Slice contains 254 kcal per 100g, with 3.2g of protein, 39.0g of carbohydrates, and 9.3g of fat.
.png){kind=logo}
UK nutrition data · FSA traffic lights · Reference Intakes
Type at least 2 characters to search from our UK foods database
Your favourites ♥
Trending Now 🔥
Request to be added
FSA Traffic Lights
Based on FSA traffic-light thresholds per 100g
| Nutrient | Per | Per 100g | % RI* |
|---|
*Reference Intake of an average adult (8400kJ / 2000kcal)
Buy online:
Your meal is empty
Go to "Food Lookup", select a food and click "+ Add to Meal" to start building.
Saved Templates
| Nutrient | A | B |
|---|
Nutritional Overview
Greggs Vanilla Custard Slice is a prepared or takeaway food designed for convenience. Per 100g serving, it provides 254 kcal of energy, 3.2g of protein, 39.0g of carbohydrates, and 9.3g of fat.
Under UK FSA traffic-light labelling, this food is classified as high in sugar with 24.0g per 100g (the threshold is 22.5g). The NHS recommends that free sugars make up no more than 5% of total daily energy intake. Portion awareness is advisable when including it regularly. Every 100g of Greggs Vanilla Custard Slice adds 254 kcal to your day. Our calorie food checker keeps that running total accurate as you go.
Frequently Asked Questions
How many calories are in Greggs Vanilla Custard Slice?
Greggs Vanilla Custard Slice contains 254 kcal per 100g, which is approximately 13% of the recommended daily intake of 2,000 kcal for an average adult.
Is Greggs Vanilla Custard Slice high in sugar?
Greggs Vanilla Custard Slice contains 24.0g of sugar per 100g, which the FSA classifies as high (above 22.5g per 100g). If you are managing sugar intake, consider moderating portion sizes.
Sources & References
Data source for this food
- Greggs - Official Nutritional Information (September 2026) — 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
- World Health Organization (WHO) Nutrition — global dietary guidelines and public health nutrition
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 Greggs Vanilla Custard Slice (254 kcal per 100g). Tap one to compare them side by side.