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Still Twice the Recommended Intake
The UK's Scientific Advisory Committee on Nutrition (SACN) recommends that free sugars should account for no more than 5% of total daily calorie intake — approximately 30g per day for adults, or roughly 6 teaspoons. National Diet and Nutrition Survey (NDNS) data consistently shows that UK adults consume substantially more than this — with average intakes approximately double the recommended level in many demographic groups — and that children's sugar intakes are even further above recommendations.
Despite a decade of sugar reduction programmes, the Soft Drinks Industry Levy (sugar tax), reformulation targets, and labelling changes, UK sugar consumption remains a significant public health challenge. The economic and health consequences — through obesity, Type 2 diabetes, dental caries, and cardiovascular disease — are substantial.
Key Facts & Figures (Overview)
- SACN recommends free sugars account for no more than 5% of daily calories — approximately 30g (6 teaspoons) per day for adults
- WHO recommends less than 10% of daily energy from free sugars, with additional health benefits from reducing to below 5%
- UK adults substantially exceed the 5% recommendation — NDNS data indicates average free sugar intake is approximately 55–60g per day for adults — roughly double the recommended level
- Children's sugar intakes are even higher relative to recommendations: in the 2008–2019 NDNS period, children's free sugar intake declined but remained well above targets
- The Soft Drinks Industry Levy (sugar tax), introduced in April 2018, has generated over £1.5 billion in revenues and driven significant reformulation of soft drinks
- Sugar content in soft drinks fell by approximately 30% following the introduction of the levy
- A modelling study estimated that gradual sugar reduction in soft drinks could prevent approximately 300,000 cases of type 2 diabetes over 20 years
- 55% of UK consumers are concerned about the amount of sugar in their food (Statista, 2024)
- Over a quarter of UK shoppers consider "low/no added sugar" labels when making purchasing decisions
- Sugar is a primary driver of dental caries — the most common chronic disease in children. Nearly half of five-year-olds in deprived areas have visible tooth decay
- Energy drinks — high in both sugar and caffeine — are consumed by a significant proportion of UK children. In 2024, the UK government introduced a ban on the sale of energy drinks to under-16s
What Are Free Sugars?
The SACN and WHO guidelines refer specifically to free sugars — which are distinct from the naturally occurring sugars found in whole fruit, vegetables, and dairy:
Free sugars include:
- All sugars added to food and drink by manufacturers, cooks, or consumers
- Sugars naturally present in honey, syrups, fruit juices, and smoothies — where the cellular structure has been broken down
Not free sugars:
- Sugars naturally present in whole fruit, vegetables, and milk — these are contained within the cellular structure and behave differently metabolically
The distinction matters for policy and consumer guidance. Eating a whole apple is nutritionally very different from drinking apple juice, even if both contain similar total sugar. The cellular structure slows digestion, provides fibre, and produces satiety. Juice delivers the same sugar rapidly without the fibre.
The Sugar Tax and Its Effects
The Soft Drinks Industry Levy — popularly known as the sugar tax — was introduced in April 2018 and applies to soft drinks with added sugar content of 5g/100ml or more (lower rate) or 8g/100ml or more (higher rate). Key outcomes:
- Manufacturers reformulated products extensively in advance of the levy — many major soft drinks brands reduced sugar content below the levy threshold
- Sugar content in soft drinks fell by approximately 30% in the years following introduction
- Sales of sugary soft drinks declined; sales of diet/zero-sugar alternatives increased
- NHS dental admissions for children decreased, and tooth decay rates in young children showed some improvement in areas with high soft drink consumption
- The levy generated over £1.5 billion in revenues, ringfenced for school sport and healthy eating programmes
The levy is widely regarded as one of the most successful food policy interventions in UK public health history. Calls have been made to extend similar levies to other high-sugar food categories including confectionery, breakfast cereals, and yoghurts — which together contribute more free sugar to UK diets than soft drinks.
Sugar in the Food Service Sector
For food businesses, sugar reduction is increasingly a consumer demand and a reputational issue:
- Menu labelling obligations — businesses with 250+ employees must display calorie counts on menus, prompting some businesses to reformulate high-sugar products
- Child-directed food — HFSS (High Fat, Sugar, Salt) advertising restrictions apply to children's media from 2023; food businesses developing children's menus face both regulatory and consumer pressure to reduce sugar
- Dessert menus and confectionery — high-sugar items remain commercially important for many food businesses, but clear consumer interest in lower-sugar alternatives creates menu development opportunities
- Drinks menus — soft drink reformulation means most carbonated drinks are now significantly lower in sugar than pre-levy formulations. Food businesses should ensure menus reflect current product specifications for allergen and nutrition purposes
Written by Food Safety Experts
This guide was produced by the team at Level 3 Food Hygiene Certificate, a UK provider of CPD-accredited online food hygiene training. Food safety and nutrition are inseparable concerns for any food professional committed to the wellbeing of the people they serve.
