Five Guys Reese's Peanut Butter Cup Shake: calories and sugar by portion, age and sex

Nutrition information: Five Guys Reese's Peanut Butter Cup Shake

Each shake is the Five Guys milkshake base with whipped cream and the reese's peanut butter cups mix-in, added up from the per-component figures in the Five Guys UK allergen, ingredient and nutrition guide (5 August 2026). Weights are derived from the per 100g column.

Five Guys Reese's Peanut Butter Cup Shake is mostly sugar

A regular Five Guys Reese's Peanut Butter Cup Shake contains 75.8g of free sugar, about 19 teaspoons. That is 253% of an adult’s daily limit in one drink, and 399% of the limit for a child aged 4 to 6. It also carries 30.4g of saturated fat, 152% of a woman’s daily guideline.

Adult daily reference intakes (Reference Intake, RI)

Where the sugar comes from: Five Guys Reese's Peanut Butter Cup Shake

75.8g of the 88.6g counts as free sugar, about 18.9 teaspoons. The other 12.8g is naturally occurring, mostly lactose from the milk and cream, deducted at 1.3g for every gram of milk protein, and does not count against the NHS limit.

Free (added) sugars come from

• dextrose, sugar in the Five Guys milkshake base
• dextrose, sugar in the Reese's peanut butter cups

Naturally occurring sugars come from

• lactose in the Five Guys milkshake base
• lactose in the whipped cream
• lactose in the Reese's peanut butter cups

NHS daily free sugar limits: 30g for adults and children 11+, 24g age 7 to 10, 19g age 4 to 6. Sources are read from the published ingredient list for each component.

Processing and additives: Five Guys Reese's Peanut Butter Cup Shake

Five Guys Reese's Peanut Butter Cup Shake is assembled from 3 separately prepared components, combined and cooked at the point of sale. Reading the ingredient list closely, it contains acidity regulators, antioxidants, dextrose, emulsifiers, flavourings, propellants and stabilisers. These are not there to add nutritional value. They make industrial production and distribution possible.

Boone classifies Five Guys Reese's Peanut Butter Cup Shake as NOVA group 4, ultra-processed, based on the additives named above. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy. Read from the published ingredient list in the Five Guys UK allergen, ingredient and nutrition guide (5 August 2026).

Ingredient count by order: Five Guys Reese's Peanut Butter Cup Shake

The 14 manufactured ingredients

carrageenan, cellulose gum, citric acid, dextrose, guar gum, lactose, mono- and diglycerides of fatty acids, natural flavouring, nitrogen, nitrous oxide, polyglycerol polyricinoleate, propylene glycol esters of fatty acids, soya lecithin, tbhq.

The 11 raw ingredients

cocoa butter, cocoa mass, cream, milk fat, milk solids, peanuts, salt, skimmed milk, skimmed milk powder, sugar, water.

What those ingredients are, by type

Boone counts every distinct named ingredient on Five Guys’s published component lists, including sub-ingredients, and removes duplicates, so salt appearing in four components counts once. Additive class names are dropped and the named substance kept, so “stabiliser (xanthan gum)” counts xanthan gum once. Vitamins and minerals added to flour by law are not counted. Raw covers whole foods and basic kitchen staples such as flour, sugar, salt and oil. Manufactured covers substances that only exist as an output of industrial processing.

Allergen information: Five Guys Reese's Peanut Butter Cup Shake

Contains = declared as an ingredient. May contain traces = Five Guys marks the item as not suitable for that allergy because of manufacturing or preparation. Five Guys cooks its fries in peanut oil and states there is always a risk of cross contamination, so no item can be guaranteed allergen free. Bacon items are only served in non-Halal restaurants. From the Five Guys UK allergen, ingredient and nutrition guide (5 August 2026).