Roast Beef Deli Slices
Roast beef slices (cold roasted beef) are the easiest way to get filling, nourishing protein on a busy working day. Their glycemic index does not apply, and they are a diet companion that protects you from sudden hunger pangs and reaching for sweets.
Glycemic index
Glycemic load
Calories
Protein
💡 Smart Nutritional Guidance
Consumption advice
Wrap a slice of roast beef around a piece of natural Cheddar with a lettuce leaf and a gherkin; a quick snack that keeps your fat burning active.
Best preparation methods
Roast a joint of beef (topside) at home in the oven and slice it cold, for a pure alternative free of preservatives and commercial starch.
Important Nutritional Note
Rich in haem iron, zinc and vitamin B6, which is essential for healthy nerves and the metabolism of protein and fat.
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (50 g) |
|---|---|---|
| Calories | 125 kcal | 62.5 kcal |
| Protein | 23 g | 11.5 g |
| Carbohydrate | 0.8 g | 0.4 g |
| Available carbohydrate | 0.8 g | 0.4 g |
| Fat | 3.2 g | 1.6 g |
| Dietary fibre | 0 g | 0 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
It provides 18.4 g of protein per 100 kcal, ranking 22 of 49 in Meat, fish & eggs (highest first).
Related foods from the same family:
Frequently asked questions
Are ready-made supermarket roast beef slices healthy?
Check the nutrition label: good products contain 95%+ pure beef without starch, added sugar or monosodium glutamate.
What is the nutritional value of a 50 g portion of roast beef slices?
It provides about 65 kcal, 11 g of well-absorbed protein and about 2 g of fat, with zero carbohydrate.
Is roast beef a good bedtime dinner for people with diabetes?
Yes. Two slices of roast beef before bed help prevent night-time lows and calm cortisol release without raising morning blood sugar.
Reviewed by the WiBo Health medical team · Last reviewed 13 October 2026
Disclaimer: This guidance is for nutritional lifestyle orientation and does not constitute a diagnostic medical device under EU Regulation MDR 2017/745.