Who is buying?

Runners choosing food and drink for a 5K

If the purchase is meant to cover the run itself, start with your activity and food-and-fluid plans rather than a case of spirit mixers. The UK Sports Institute advises a food-first approach to sports nutrition.

Hosts planning post-run drinks

If run food and fluids are already planned, individual mixers may suit a gathering afterwards. Tesco Groceries and Sainsbury's list Schweppes tonic and Slimline tonic in 12 x 150ml packs.

Shoppers choosing tonic for flavour

If you want tonic for a mixed drink, compare the particular product's flavour and label rather than treating its ingredients as a reason to buy it for a 5K. Fever-Tree describes its Indian tonic as a mixer for spirits.

What should you check?

Decide whether the drinks are for the run or for serving afterwards. That choice determines whether a mixer case belongs on the shopping list at all.

Food and fluids for the run

Choose this route: When you are buying for the run itself, plan food and fluids around the activity rather than using a mixer case as the starting point.

Keep separate: Any mixers you want for a gathering afterwards are a different purchase.

Mixers for afterwards

Choose this route: If your run plans are covered and you want individual servings for guests or mixed drinks, consider a case of 12.

Bear in mind: A 12 x 150ml mixer pack is portioned for drinks, not a substitute for planning what to take for the run.

Priority What to check Your needs
Purpose Decide whether you are shopping for the 5K or for drinks afterwards. For the run, consider the activity and your wider food-and-fluid plan; do not judge a mixer by sugar content alone. If I'm buying for the run itself, I need to plan food and fluids separately from social drinks.
Pack size Check the unit count and volume per unit on the exact listing. Tesco Groceries and Sainsbury's list Schweppes tonic and Slimline tonic as 12 x 150ml packs. For a gathering, I want to know whether the case provides 12 individual portions of a useful serving size.
Drink style Compare the exact product's flavour, ingredients and nutrition panel. Standard, Light and Slimline are variant names, not evidence that a drink meets a running requirement. I might prefer tonic or lemonade for the occasion, or want to compare standard and Slimline tonic without assuming either is run fuel.

Buying pitfalls

  • Treating a mixer case as the run-fuelling purchase

    Fever-Tree describes its Indian tonic as a spirit mixer, whereas the UK Sports Institute advises a food-first approach to sports nutrition. A mixer's intended serving occasion does not answer what to take for a 5K.

    Plan food and fluids for the run separately; buy mixers if you also want drinks for afterwards.

  • Assuming a multipack contains 12 servings

    A pack described only as a multipack may not match a plan for 12 individual drinks.

    Check both the unit count and millilitres per unit on the exact product listing before choosing a case.

  • Reading Light or Slimline as a running recommendation

    A variant name helps identify a drink style; it does not establish whether that product fits an individual's plans for a 5K.

    Read the exact ingredients and nutrition panel for the drink you intend to serve, and make the run-fuelling decision separately.

Brand and retailer references

These references help distinguish mixer styles and pack listings; they do not indicate which products are stocked by Joybuy.

Fever-Tree

Fever-Tree positions its Premium Indian Tonic Water as a mixer for gin, vodka and fortified wines.

  • A reference point when choosing tonic for a mixed drink.
  • That stated mixer purpose does not establish it as 5K run fuel.

Schweppes

Tesco Groceries and Sainsbury's list Schweppes tonic and Slimline tonic in 12 x 150ml packs.

  • Both listed variants meet a 12-portion mixer brief.
  • Check the exact variant and serving size rather than assuming the two labels describe the same drink.

Fentimans

Fentimans describes Premium Indian Tonic Water as a flavour-led tonic mixer.

  • Its product information lists 4.4g carbohydrate, all of it sugars, per 100ml for that tonic.
  • Those figures describe that product; they do not establish a case-of-12 format or a role as run fuel.

Tesco

Tesco Groceries lists 12 x 150ml Schweppes tonic and Slimline tonic among its mixers.

  • Its listings provide a way to check the stated pack format.
  • Confirm the precise product and local availability when ordering.

Sainsbury's

Sainsbury's lists Schweppes tonic and Slimline tonic as 12 x 150ml packs.

  • Its listings distinguish the two tonic variants in the same pack format.
  • Check the product listing for the variant and delivery area you need.

Cases of 12 for post-run drinks

These Joybuy options are 12 x 150ml mixers for serving after a run, once food and fluids for the 5K have been planned separately.

Schweppes Slimline Tonic Water, 12 x 150ml

Schweppes Slimline Tonic Water 12 x 150ml

For individual tonic servings at a post-run gathering. The pack name specifies 12 portions of 150ml; choose food and fluids for the run separately.

View on Joybuy
Schweppes Indian Tonic Water, 12 x 150ml

Schweppes Indian Tonic Water 12 x 150ml

For individual tonic servings after the run, rather than the run-fuelling purchase. The pack name specifies 12 portions of 150ml.

View on Joybuy
Schweppes Original Lemonade, 12 x 150ml

Schweppes Original Lemonade 12 x 150ml

A lemonade option for individual drinks at a post-run gathering if tonic is not what you want to serve. The pack name specifies 12 portions of 150ml; plan run food and fluids separately.

View on Joybuy

Frequently asked questions

Can tonic water replace food and fluids planned for a 5K?

Do not choose a tonic case as your primary 5K fuelling purchase. The UK Sports Institute advises a food-first approach to sports nutrition, while Fever-Tree describes its Indian tonic as a spirit mixer. Plan what you will eat and drink for the run separately.

Which tonic comes in a 12 x 150ml pack?

Tesco Groceries and Sainsbury's list Schweppes Tonic Water and Schweppes Slimline Tonic Water in 12 x 150ml packs. Check the exact listing to confirm the variant and pack format before ordering.

Should I choose standard or Slimline tonic for drinks afterwards?

Choose by the flavour, ingredients and nutrition panel of the exact drink you want to serve. Tesco Groceries and Sainsbury's list both variants in 12 x 150ml packs, but neither variant name answers what you need for the run.

How should I store mixers before and after opening?

Follow the storage and best-before instructions on the exact product. Check its label again for directions that apply after opening rather than assuming every mixer has the same storage period.