For a birthday party, offer a clearly labelled zero-sugar cola alongside a non-cola flavour, and include a specifically caffeine-free option if guests avoid caffeine. Check the exact variant: a drink named “zero” may still contain some sugar, while a zero-sugar cola may contain caffeine. Medway Community Healthcare NHS Trust warns that acidic sugar-free fizzy drinks can wear tooth surfaces, so keep water available throughout a children’s party.
A caffeine-free option gives guests a choice beyond standard zero-sugar cola. Keep water available too: Medway Community Healthcare NHS Trust advises that acidic fizzy drinks, including sugar-free ones, can wear tooth surfaces.
A mix of cola and non-cola flavours accommodates different preferences. Check caffeine on each variant rather than assuming all zero-sugar drinks suit the same guests.
The sugars-per-100ml line distinguishes drinks labelled at 0g from variants that contain some sugar. The ingredient list also matters for guests who need to check sweeteners or phenylalanine warnings.
Choose the flavours guests are likely to drink, then check the sugar declaration, caffeine designation and ingredient list on each exact variant.
| Priority | What to check | Your needs |
|---|---|---|
| Sugar content | Compare sugars per 100ml on the exact can or bottle. Coca-Cola GB lists Sprite Zero at 0g per 100ml but Fanta Fruit Twist Zero at 0.4g per 100ml. | I want to know whether “zero” means 0g sugars per 100ml for the flavour I’m serving, rather than relying on the name alone. |
| Caffeine | Look for an explicitly caffeine-free variant and check its ingredients. Coca-Cola GB and Pepsi UK list caffeine in standard Coca-Cola Zero Sugar and Pepsi Max respectively. | Some guests avoid caffeine, so I want a clearly identified option for them as well as any standard cola. |
| Flavour choice | Check the exact cola and non-cola flavours, not just the brand. Coca-Cola GB lists 0g sugars per 100ml for both Sprite Zero and Dr Pepper Zero, but the latter’s ingredients include caffeine. | A lemon-and-lime or other fruit-flavoured drink would give guests who do not want cola another choice. |
| Ingredients | Read the sweetener list and any phenylalanine warning on the pack. Check the exact variant when buying for someone who needs to avoid an ingredient. | I need guests to be able to identify what is in each drink, rather than treating all diet options as interchangeable. |
| Drinks throughout the party | Offer water alongside fizzy drinks. Medway Community Healthcare NHS Trust warns that acidic fizzy drinks, including sugar-free ones, can wear tooth surfaces. | If children will be drinking throughout the party, I do not want fizzy drinks to be the only option on the table. |
The name does not establish the sugar content of every variant. Coca-Cola GB lists Fanta Fruit Twist Zero at 0.4g sugars per 100ml, while its Sprite Zero listing states 0g per 100ml.
Compare the sugars-per-100ml line on each flavour you plan to serve.
Standard Coca-Cola Zero Sugar and Pepsi Max list caffeine, according to their UK product information. A guest avoiding caffeine needs a different, specifically labelled variant.
Put the caffeine-free drinks where guests can identify them, and check the label before buying.
Medway Community Healthcare NHS Trust warns that acidic fizzy drinks can wear tooth surfaces even when they contain no sugar.
Keep water readily available throughout the party rather than presenting zero-sugar fizzy drinks as equivalent to it.
These examples show why the named variant matters more than a brand-wide assumption about sugar or caffeine.
Coca-Cola GB describes Zero Sugar as closer in flavour to Coca-Cola Original Taste and Diet Coke as having a lighter flavour blend. It also lists a separate Coca-Cola Zero Sugar Caffeine Free variant.
Pepsi Max provides a zero-sugar cola option; Pepsi Max Caffeine Free is a distinct variant for guests avoiding caffeine.
Sprite Zero is a lemon-and-lime option when guests want a flavour other than cola.
Fanta Fruit Twist Zero offers a fruit flavour, but its nutrition declaration differs from drinks listed at 0g sugars.
Dr Pepper Zero offers a flavour distinct from standard cola and lemon-and-lime drinks.
These options include caffeine-free cola, standard cola and non-cola zero-sugar flavours in multipacks for a birthday gathering.
No image available
A pink-lemonade-style alternative to cola for guests who want a different flavour. The product information lists 0g sugars and 1.3 kcal per 100ml and describes it as caffeine-free.
The 24-can pack contains 330ml cans. It contains sweeteners and a source of phenylalanine; check the label for guests who need to avoid these.
No image available
A cola option when caffeine avoidance matters. The product information describes this variant as caffeine-free and lists 0g sugars per 100ml.
The pack contains 24 x 330ml cans. It contains sweeteners and a source of phenylalanine; check the label for guests who need to avoid these.
No image available
A lemon-and-lime choice alongside the colas. The product information lists 0g sugars and 2 kcal per 100ml and describes it as caffeine-free.
The pack contains 24 x 330ml cans. It contains sweeteners and a source of phenylalanine; check the label for guests who need to avoid these.
No image available
A standard zero-sugar cola for guests who do not need a caffeine-free drink. The product information lists 0g sugars per 100ml and ingredients that include caffeine.
The product name specifies 24 x 330ml cans, but the pack count should be checked before ordering. It contains a source of phenylalanine.
No image available
An apple-flavoured alternative to cola. The product information lists 0g sugars per 100ml, and the pack name specifies 24 x 330ml cans.
If guests need to avoid caffeine, check the caffeine declaration on the exact pack before serving it as their option.
No. Check the exact flavour’s nutrition panel: Coca-Cola GB lists Sprite Zero at 0g sugars per 100ml but Fanta Fruit Twist Zero at 0.4g per 100ml. The front-of-pack name is not a substitute for the sugars-per-100ml line.
Choose a specifically labelled caffeine-free variant. Coca-Cola GB lists Coca-Cola Zero Sugar Caffeine Free at 0g sugars per 100ml, while standard Coca-Cola Zero Sugar contains caffeine; Pepsi UK also lists caffeine in standard Pepsi Max. Check the exact pack when serving.
No. Medway Community Healthcare NHS Trust warns that acidic fizzy drinks, including sugar-free ones, can wear tooth surfaces. Keep water available throughout a children’s party rather than making fizzy drinks the only choice.
They do not set a general ban on private birthday-party purchases. Department of Health and Social Care guidance applies to qualifying businesses operating in and selling to England and covers the promotion and placement of certain products: location restrictions took effect on 1 October 2022 and volume-price restrictions on 1 October 2025. It does not establish which drinks a separate venue will permit.
Ask the school or venue which food and drink policy applies to the event. Department for Education guidance on school food concerns food and drink provided in state-funded schools in England under the Requirements for School Food Regulations 2014; it should not be treated as automatic approval for refreshments at a private party.