Starbucks UK · Starbucks Reserve · UK & Ireland
Reserve Espresso Calories & Nutrition
A Double Reserve Espresso from Starbucks UK has 8 calories, 0.6g protein, 1.3g carbs, 0.2g fat, 0g sugar and 116mg of caffeine.
Key facts
Calories
8 kcal
Protein
0.6g
Caffeine
116 mg
Sugars
0g
It ranks #1 of 13 starbucks reserve from lowest to highest calories, with 94% fewer calories than the category average of 143 kcal.
Add to the Starbucks UK calculatorReserve Espresso nutrition by size
Going from Double to Single saves 4 kcal.
Ingredients & allergens
Allergens:
No major allergens listed.
Ingredients
Microblend espresso (as consumed) [100% Arabica coffee]
Allergens shown in capitals as declared by Starbucks UK. Recipes change and items are made on shared equipment, so always check in store if you have an allergy.
Reserve Espresso: common questions
How many calories are in a Double Reserve Espresso?
A Double Reserve Espresso from Starbucks UK has 8 calories, 0.6g protein, 1.3g carbs, 0.2g fat, 0g sugar and 116mg of caffeine. That is 0% of the 2,000 kcal reference intake for an average adult.
How many calories are in each size of Reserve Espresso?
Single: 4 kcal; Double: 8 kcal.
How much caffeine is in Reserve Espresso?
A Double has 116mg of caffeine, about 29% of the 400mg daily limit generally advised for healthy adults. By size: Single 58mg, Double 116mg.
Is Reserve Espresso dairy-free?
The official allergen information lists no milk in the standard build. Starbucks UK uses shared equipment, so traces are possible.
Source: Starbucks UK Nutrition & Allergen Guide - Beverages (Autumn 2026) (18/09/26); Starbucks UK Nutrition & Allergen Guide - Food (Autumn 2026) (05/10/26). Data checked 2026-10-15. Starbucks is a trademark of its owner; Fast Food Calc is independent and not affiliated with Starbucks.