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Reese's Pieces (43g bag): calories, sugar, saturated fat and nutrition
How much sugar is in Reese's Pieces (43g bag)? Each serving (43g) contains 25g of sugar, 213 kcal and 4g of saturated fat. At 25g of sugar it is one of the higher-sugar items in this guide.
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Reese's Pieces (43g bag): 25g of sugar per 43g serving
Reese's Pieces (43g bag) (43g) contains 25g of sugar, 83% of the adult daily free sugar limit of 30g, 104% of the limit for a child aged 7 to 10 (24g) and 132% of the limit for a child aged 4 to 6 (19g).
Reese's Pieces are peanut butter centres in a sugar candy shell, with no chocolate coating. Unlike M&Ms, which have a chocolate centre, Pieces are pure peanut butter and sugar. The absence of chocolate means a different flavour profile but similar protein content (5g) from the peanuts.
At 25g per serving, this is one of the higher-sugar items in this guide. For context, the lowest-sugar item covered is Lindt Excellence 90% at 3.5g per 40g serving.
Sugar, salt and protein by age group
The table below shows how the sugar, salt and protein in Reese's Pieces (43g bag) compares to daily guidelines for different age groups.
Sugar, salt and protein by age group: Reese's Pieces (43g bag)
Age group
Sugar (g / % limit)
Salt (g / % limit)
Protein (g / % target)
Age 4 to 6
25g / 132%
0.17g / 6%
5g / 25%
Age 7 to 10
25g / 104%
0.17g / 3%
5g / 18%
Age 11 to 17
25g / 83%
0.17g / 3%
5g / 12%
Adult
25g / 83%
0.17g / 3%
5g / 10%
Sugar and salt % shown against NHS/SACN daily limits. Protein % shown against estimated daily targets. Red = 75%+ of limit, amber = 20-74%, green = under 20%.
Free sugar vs total sugar
The sugar figure on a chocolate bar label is total sugars. Understanding the difference between free sugar and total sugar matters for reading any nutrition label accurately.
Free sugar vs total sugar: what the label shows
The sugar figure on a chocolate bar label is total sugars. In most chocolate, this is almost entirely free sugar, because chocolate is made from added sugar rather than whole food ingredients that contain naturally occurring sugars. Unlike flavoured yoghurt, where lactose from dairy inflates the total sugars figure, or fruit juice, where the sugar was once bound inside whole fruit, the sugar in chocolate is added in its free form and counts in full against the NHS daily free sugar limit.
This is an important distinction from many other packaged foods. A yoghurt showing 14g of total sugars may contain only 8g of free sugar. A chocolate bar showing 27g of total sugars contains 27g of free sugar. The number on the label means what it says.
The daily free sugar limit is 30g for adults and children aged 11 and over, 24g for children aged 7 to 10, and 19g for children aged 4 to 6. A standard chocolate bar can represent a significant share of any of these limits in a single serving.
Reese's Pieces (43g bag) contains 4g of saturated fat per serving (43g), 20% of the adult daily guideline of 20g, and 31% of the guideline for a child aged 7 to 10 (13g). The saturated fat comes primarily from cocoa butter in the chocolate.
Ultra-processed food: what is really in it
Reese's Pieces (43g bag) is made from 2 main components: peanut butter filling and candy shell. Each component is produced separately before being combined.
Reading the ingredient list closely, Reese's Pieces (43g bag) contains colourings and glazing agents. These are not used to add nutritional value. Colourings standardise the product's appearance across batches. Glazing agents give sugar-coated confectionery a shiny, uniform surface and prevent sticking.
None of this means the ingredients are unsafe. What it indicates is the degree of industrial formulation involved. A piece of good quality chocolate made at home or by an artisan would typically use cocoa mass, cocoa butter, sugar and milk, with few or no additional processing aids. Mass-market chocolate reaches a similar result using a longer ingredient list with additional vegetable fats, emulsifiers and flavourings designed to keep the product consistent and cost-effective at industrial scale.
Looking at the ingredient list rather than just the sugar and calorie figures reveals the additives and processing aids that give this product its consistent flavour and texture at industrial scale.
Processing (NOVA classification)
Reese's Pieces (43g bag) falls into NOVA group 4, ultra-processed food. The NOVA classification system groups foods by the extent and purpose of the processing involved. Group 4 covers products that are formulated mostly or entirely from substances derived from foods, plus additives. In this item, that includes colourings and glazing agents. This classification applies to almost all mass-market chocolate and confectionery, regardless of the cocoa percentage or marketing claims.
Allergens at a glance
Allergen information: Reese's Pieces (43g bag)
Wheat
Not present
Rye
Not present
Barley
Not present
Oats
Not present
Sesame
Not present
Soya
Contains
Milk
Contains
Eggs
Not present
Fish
Not present
Crustaceans
Not present
Celery
Not present
Mustard
Not present
Molluscs
Not present
Lupin
Not present
Frequently asked questions
Reese's Pieces (43g bag) (43g) contains 25g of sugar, 83% of the adult daily free sugar limit of 30g.
Reese's Pieces (43g bag) contains 213 kcal per 43g serving, 11% of the 2,000 kcal adult daily reference intake.
Reese's Pieces (43g bag) contains 4g of saturated fat per serving, 20% of the adult daily guideline of 20g.
Yes. Reese's Pieces (43g bag) falls into NOVA group 4, ultra-processed food, reflecting its use of colourings and glazing agents alongside the combination of refined ingredients and industrial processing methods involved in its manufacture.
Reese's Pieces (43g bag) contains milk, soya and peanuts. May also contain traces of nuts from shared production lines.
At 25g per 43g serving, Reese's Pieces (43g bag) is toward the higher end for sugar. Plain dark chocolate (70%+) typically contains 8 to 12g of sugar per 40g serving by comparison.
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Nutrition information from manufacturer official sources and UK FoodData Central. Figures are per item or stated serving size and may vary slightly by recipe updates. Reference intakes: EU Reference Intakes for an average adult (2,000 kcal); NHS/SACN free sugar and saturated fat guidelines. For guidance only, not medical advice.