Keep high-caffeine energy drinks out of children’s half-term snacks: UK government guidance says drinks above the relevant caffeine threshold must carry a warning that they are not recommended for children. For an adult choosing a sparkling energy drink, compare caffeine in the full can before choosing by size or a ‘zero sugar’ label; sugar and caffeine are separate figures.
Separate children’s drinks from caffeinated choices for adults. Department of Health and Social Care guidance says drinks above the high-caffeine labelling threshold carry a warning that they are not recommended for children. Sainsbury’s also applies age verification to products bearing that warning.
Compare sugar and caffeine separately. Monster Energy states that its 500 ml Original Green and Absolutely Zero examples each contain 160 mg caffeine, although their stated sugar amounts differ. A zero-sugar label alone does not answer the caffeine question.
Check what the entire can contains, not just the volume or a per-100 ml declaration. Red Bull states that a 250 ml Sugarfree can contains 80 mg caffeine; Monster Energy states 160 mg for each of its cited 500 ml examples. Those figures describe the named products, not every can of those sizes.
Decide who the drink is for, then compare the exact can’s caffeine, sugar and ingredients. A family snack shop and an adult’s energy-drink choice need not lead to the same purchase.
| Priority | What to check | Your needs |
|---|---|---|
| Who will drink it | Read the age warning on the exact can. Department of Health and Social Care guidance says drinks other than tea or coffee with more than 150 mg caffeine per litre require a warning that they are not recommended for children. Sainsbury’s age-verifies products marked this way. | I’m buying snacks for a child, or the drink could be handed to one. I’ll choose a drink without that high-caffeine warning for the child and keep any adult energy drinks separate. |
| Whole-can caffeine | Compare caffeine for the full container as well as any per-100 ml figure. Red Bull states 80 mg per 250 ml Sugarfree can; Monster Energy states 160 mg per 500 ml Original Green or Absolutely Zero can. | If I’m choosing an energy drink for an adult, I want to know the caffeine total in the can they are likely to finish, rather than judging it by flavour or can size alone. |
| Sugar | Read sugar and caffeine as separate figures for the exact variant. Monster Energy lists 55 g sugar for its 500 ml Original Green and 0 g for its 500 ml Absolutely Zero; both list 160 mg caffeine. | I want a zero-sugar option, but I don’t want to mistake that label for a lower-caffeine claim. |
| Ingredients | Check the ingredient list of the can you are buying, particularly if sweeteners affect your choice. Red Bull lists sucralose and acesulfame K for its UK Sugarfree product. | If I’m choosing a sugar-free drink for an adult, I also want to know which sweeteners are in that particular product. |
Monster Energy lists 160 mg caffeine per 500 ml for both Original Green and Absolutely Zero, while their stated sugar amounts are 55 g and 0 g respectively.
Compare both figures on the exact can. Choose by the attribute you actually want to change rather than relying on the variant name.
The required high-caffeine warning says the drink is not recommended for children. Sainsbury’s says it does not sell high-caffeine energy drinks to under-16s and age-verifies products carrying that warning.
Choose children’s drinks separately, especially when shopping for a mixed-age household.
Red Bull’s cited 250 ml Sugarfree can contains 80 mg caffeine, while Monster Energy’s cited 500 ml cans contain 160 mg each. A per-100 ml figure on its own can obscure the total in a larger container.
Compare caffeine per container first, then check sugar, ingredients and pack size for the particular variants.
Tesco and Sainsbury’s list regular, sugar-free and retailer-brand energy drinks. A category listing does not make their caffeine, sugar or warning labels interchangeable.
When switching brand or flavour, read the individual product information or the physical can label again.
These examples help frame label checks; a brand or retailer listing does not establish the contents of every product in its range.
Red Bull’s UK Sugarfree information gives an adult shopper a 250 ml can example to compare with larger formats.
Monster Energy publishes UK figures for its 500 ml Original Green and Absolutely Zero examples.
Relentless names Tesco and Sainsbury’s among retailers in its UK store locator.
Sainsbury’s lists own-label Blue Bolt and Blue Bolt Zero products alongside other energy drinks.
Tesco’s energy-drink category includes regular and sugar-free choices from several brands.
These energy-drink packs offer smaller-can and zero-sugar choices for adults comparing drinks during a family snack shop. They are not children’s snack selections; check each can’s label before choosing.
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A smaller-can, sugar-free choice for an adult. Red Bull states that its UK Sugarfree drink contains 80 mg caffeine per 250 ml can; check the pack’s ingredients and keep it out of children’s snack choices.
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A zero-sugar pack for an adult considering this variant. Check its own label for caffeine per full can and sweetener ingredients; do not use the figures for a differently named Monster variant as a substitute. Keep it separate from children’s drinks.
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A 250 ml regular-formulation alternative for an adult comparing smaller cans. Read the can’s caffeine and sugar declarations rather than treating it as equivalent to Sugar Free; it is not a children’s snack choice.
Do not choose a high-caffeine energy drink for a child. Department of Health and Social Care guidance says drinks other than tea or coffee containing more than 150 mg caffeine per litre require a warning that they are not recommended for children. Check the label and select a drink without that warning for the child.
No, not necessarily. Monster Energy lists 160 mg caffeine per 500 ml in both its Original Green and Absolutely Zero examples, while listing 55 g sugar and 0 g sugar respectively. Compare the exact can’s caffeine and sugar figures separately.
Sainsbury’s says it does not sell high-caffeine energy drinks to under-16s. It applies age verification to products marked ‘not recommended for children’. That describes Sainsbury’s retailer policy, not a current UK-wide statutory sales ban.
No UK-wide ban follows from the announced England measure. The Department of Health and Social Care and Department for Education announced a planned England ban from April 2027, subject to Parliamentary approval, for sales to under-16s of drinks other than tea or coffee containing more than 150 mg caffeine per litre. The announced scope includes shops, vending machines and online sales.
Read the caffeine total for each whole can. Red Bull states 80 mg for its 250 ml Sugarfree can, while Monster Energy states 160 mg for each of its cited 500 ml Original Green and Absolutely Zero cans. Check the figures again if you choose another variant.