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Starbucks UK · Croissants & Pastries · UK & Ireland

Cinnamon Bun Calories & Nutrition

One Cinnamon Bun from Starbucks UK has 471 calories, 9.7g protein, 76g carbs, 13g fat and 30g sugar.

Key facts

  • Calories

    471 kcal

  • Protein

    9.7g

  • Carbohydrates

    76g

  • Sugars

    30g

It ranks #15 of 16 croissants & pastries from lowest to highest calories, with 46% more calories than the category average of 322 kcal.

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Ingredients & allergens

Allergens:

  • Milk
  • Wheat
  • Egg

🥚 Suitable for vegetarians according to Starbucks UK.

Ingredients

Wheat flour (WHEAT flour, calcium carbonate, niacin, iron, thiamin), water, icing sugar, soft brown sugar (sugar, cane molasses, inverted sugar syrup), free-range pasteurised whole EGG, bun concentrate (palm stearin, rapeseed oil, dextrose, salt, emulsifiers: mono- and diacetyl tartaric acid esters of mono- and diglycerides of fatty acids, mono and di glycerides of fatty acids, sodium stearoyl-2-lactylate, colour: beta carotene), sugar, soft cheese (full fat soft cheese (MILK), salt, starter culture), yeast, cinnamon, modified maize starch, salted butter (butter (MILK), salt), rapeseed oil, invert sugar syrup, vegetable oils (palm, rapeseed), free-range dried EGG powder, skimmed MILK powder, free-range dried EGG white powder, salt, orange pulp (glucose syrup, sugar, orange concentrate, acidity regulator: citric acid, natural orange flavouring, water, colour: carotenes), thickener: cellulose gum, raising agent: sodium bicarbonate, orange zest.

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.

Lower-calorie alternatives

Cinnamon Bun: common questions

How many calories are in a Cinnamon Bun?

One Cinnamon Bun from Starbucks UK has 471 calories, 9.7g protein, 76g carbs, 13g fat and 30g sugar. That is 24% of the 2,000 kcal reference intake for an average adult.

How much sugar is in Cinnamon Bun?

30g of total sugars, 33% of the 90g reference intake for total sugars.

Is Cinnamon Bun dairy-free or vegan?

The standard build contains milk. Starbucks UK prepares food and drinks on 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.