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Pepsi: calories, sugar and caffeine by serving
A single can (330ml) of Pepsi contains 139 kcal, 34.3g of sugar and 33mg of caffeine.
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Sugar and caffeine by serving
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Contains sweeteners — not the same as no additivesThis drink uses in place of sugar. Low sugar does not mean nutritionally neutral. WHO 2023 guidance advises against using sweetener-containing drinks as a health strategy.
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Nutrition by serving
Nutrition by serving size: Pepsi
Serving
Calories
Sugar
Caffeine
Single can (330ml)
139 kcal
34.3g
33mg
Standard can/bottle (500ml)
210 kcal
52g
50mg
Serving from 1.5L bottle (330ml)
139 kcal
34.3g
33mg
Sugar highlighted in amber above 33% of adult daily free sugar limit (30g), red above 75%. Caffeine highlighted in amber above 25% of adult daily limit (400mg), red above 50%.
Pepsi contains 42 kcal, 10.6g of carbohydrate (10.4g sugar), 10mg of caffeine per 100ml.
Pepsi has a fractionally different recipe from Coca-Cola, using citric acid in addition to phosphoric acid, which gives it a slightly different flavour profile — broadly described as sweeter and less tart at room temperature. In formal blind taste tests (including the Pepsi Challenge from 1975), Pepsi frequently scores higher for a single sip, while Coke tends to score higher over a full can, a well-documented phenomenon in sensory research.
UK Sugar Tax (SDIL)
Sugar Tax (SDIL)
Soft Drinks Industry Levy (upper rate: drinks above 8g sugar per 100ml). The manufacturer pays £0.24 per litre to HMRC.
Sugar
Pepsi contains 10.4g of sugar per 100ml, placing it in the upper levy band under the Soft Drinks Industry Levy. A single can (330ml) delivers 34.3g of sugar, 114% of the adult daily free sugar limit.
Caffeine
Pepsi contains 10mg of caffeine per 100ml. A single can (330ml) delivers 33mg of caffeine, 8% of the adult daily limit. For context, a standard 240ml filtered coffee contains approximately 95 to 120mg of caffeine.
Single can (330ml): 139 kcal; Standard can/bottle (500ml): 210 kcal; Serving from 1.5L bottle (330ml): 139 kcal.
Single can (330ml): 34.3g of sugar (114% of the adult daily free sugar limit); Standard can/bottle (500ml): 52g of sugar (173% of the adult daily free sugar limit); Serving from 1.5L bottle (330ml): 34.3g of sugar (114% of the adult daily free sugar limit).
Single can (330ml): 33mg of caffeine (8% of the adult daily limit of 400mg); Standard can/bottle (500ml): 50mg of caffeine (13% of the adult daily limit of 400mg); Serving from 1.5L bottle (330ml): 33mg of caffeine (8% of the adult daily limit of 400mg).
Pepsi is subject to the Soft Drinks Industry Levy at the upper rate. The manufacturer pays £0.24 per litre to HMRC.
Pepsi has a high sugar content (10.4g per 100ml) and should be an occasional choice for children rather than a daily drink.
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Nutrition information from official brand UK nutrition panels, Coca-Cola GB nutrition pages, UK retailer product listings, and independent nutritionist analyses. Figures per 100ml; per-serving values are proportional estimates. Sugar Tax (SDIL) status based on UK sugar content thresholds at time of writing — brands may reformulate. Caffeine figures from EU/UK mandatory nutrition labelling. Reference intakes: EU Reference Intakes for an average adult (2,000 kcal). Fruit juice is subject to the SDIL if it contains added sugar; pure juices exempt. For guidance only, not medical advice.
