Choose food and fluids for the demands of your marathon training rather than using a glass-bottle fizzy drink as your main fuelling or hydration plan: fluid needs change with the session and conditions. Regular fizzy drinks contribute different amounts of carbohydrate, while zero-sugar versions may contribute none. If you want a glass bottle for occasional enjoyment away from a run, check the exact packaging and nutrition label separately from your training plan.
Choose a food-and-fluid routine that fits the session, rather than treating a bottle format or a drink's sugar content as a complete plan. Better Health Channel notes that fluid needs vary with factors including exercise duration, intensity and climate.
If you want to account for a drink's carbohydrate, read its exact UK label. Coca-Cola GB lists 10.6g per 100ml for Coca-Cola Original Taste, while Pepsi UK lists 4.6g per 100ml for Pepsi.
A zero-sugar fizzy drink can be an occasional flavour choice without serving as carbohydrate fuel. Coca-Cola GB lists 0g carbohydrate per 100ml for Sprite Zero and Dr Pepper Zero; NHS dental guidance notes that diet fizzy drinks remain acidic.
Plan for the run first, then decide whether a fizzy drink has a separate place as an occasional drink. Compare the exact formulation and pack, not just the brand or bottle shape.
| Priority | What to check | Your needs |
|---|---|---|
| Fluids for the run | Consider the session's duration and intensity, the weather and your individual circumstances when planning fluids. Better Health Channel identifies these as factors affecting water needs. | For a long or demanding run, I need a fluid plan matched to the session, not just a drink I like. |
| Carbohydrate contribution | Read carbohydrate per 100ml on the current label, then check the bottle volume before working out its contribution. Coca-Cola GB lists 10.6g per 100ml for Coca-Cola Original Taste; Pepsi UK lists 4.6g for Pepsi, and 0g is listed for Sprite Zero by Coca-Cola GB. | If I'm counting carbohydrate, I need the amount in this particular drink and serving. A zero-carbohydrate version cannot provide carbohydrate fuel. |
| Sugar and acidity | Check sugars per 100ml and consider how often you would sip the drink. The NHS advises adults to limit free sugars; NHS dental guidance says even diet fizzy drinks are acidic and can wear away enamel. | I'd rather keep a fizzy drink separate from an all-session sipping routine, including when I choose a zero-sugar version. |
| Glass packaging | Confirm that the exact pack uses glass and check its bottle size. Your Coca-Cola UK lists Fanta Orange as 24 individual 330ml glass bottles; a brand name alone does not identify the packaging of every product. | For a drink away from the run, I want to know the pack format before ordering. If I plan to take glass to an event, I'll check that organiser's rules first. |
The UK labels give different figures per 100ml: Coca-Cola GB lists 10.6g for Coca-Cola Original Taste and 4.5g for Fanta Orange, while Pepsi UK lists 4.6g for Pepsi. A brand category is not enough for a carbohydrate calculation.
Use the current nutrition panel and the volume of the bottle you would actually drink.
Coca-Cola GB lists 0g carbohydrate per 100ml for Sprite Zero and Dr Pepper Zero. Neither supplies carbohydrate on those labels.
If a session calls for carbohydrate, plan its source separately rather than relying on a zero-sugar fizzy drink.
NHS dental guidance says fizzy drinks are acidic and that even diet versions can wear away enamel. Choosing zero sugar does not remove that consideration.
Consider when and how often you drink them, rather than using a fizzy drink as your routine all-session sip.
A glass-bottle product listing establishes the pack format, not what a particular organised run allows or what you would want to carry.
Check the event organiser's participant guidance before packing glass for race day.
These label and packaging examples help distinguish products; they do not establish that a fizzy drink meets an individual runner's fuelling or fluid needs.
Coca-Cola GB lists 10.6g carbohydrate and 10.6g sugars per 100ml for Coca-Cola Original Taste.
Pepsi UK lists 4.6g carbohydrate and 4.5g sugars per 100ml for Pepsi.
For Sprite Zero, Coca-Cola GB lists 0g carbohydrate and 0g sugars per 100ml.
Coca-Cola GB lists Fanta Orange as caffeine free, with 4.5g carbohydrate and 4.5g sugars per 100ml.
Coca-Cola GB lists 4.3g carbohydrate and 4.3g sugars per 100ml for regular Dr Pepper, versus 0g of each for Dr Pepper Zero.
Tesco Groceries lists branded regular and zero-sugar drinks in its fizzy-drinks categories.
These orange-flavoured fizzy drinks are glass-bottle options to consider for occasional enjoyment away from a run, not a selection of primary marathon fuels. Check each current bottle's nutrition panel if carbohydrate or sugar content matters to your choice.
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A glass-bottle fizzy drink for occasional use away from a run; its named pack contains 20 bottles of 358ml. Check the bottle's current nutrition panel before counting it towards any carbohydrate intake.
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A glass-bottle soda to consider as an occasional drink away from training; its named pack contains 20 bottles of 358ml. Read the current nutrition panel before calculating carbohydrate or sugar from a bottle.
Do not use the bottle format as your hydration plan. Better Health Channel notes that water needs depend on factors including exercise duration, intensity and climate; plan and try out food and fluids for your training sessions rather than relying on a fizzy-drink label to determine what you need.
Yes, but the amount depends on the formulation and volume. Coca-Cola GB lists 10.6g carbohydrate per 100ml for Coca-Cola Original Taste, while Pepsi UK lists 4.6g per 100ml for Pepsi. Read the current label before using either figure in a calculation.
Not when its label lists 0g carbohydrate. Coca-Cola GB gives that figure per 100ml for Sprite Zero and Dr Pepper Zero, so plan a separate carbohydrate source if your session requires one.
Your Coca-Cola UK lists Fanta Orange as a pack of 24 individual 330ml glass bottles. Confirm the packaging on the current product listing before ordering; another format of the same drink need not use glass.
No. NHS dental guidance says fizzy drinks are acidic and that even diet versions can wear away enamel, so consider how often you sip them as well as what the sugar label says.