Who is this for?

Runners planning a post-run snack

If you want a ready-to-drink option after a long or intense session, compare carbohydrate, protein and the portion you will actually drink. UK Sports Institute advises a snack containing carbohydrate and protein alongside fluids, followed by a meal.

Runners choosing food before a long run

UK Sports Institute advises carbohydrate before long endurance runs. If you are considering a milkshake, try the flavour, volume and timing during ordinary training rather than making it a new race-day choice.

Households buying several portions

Individual bottles or cartons can make portions easier to allocate. Check the exact pack’s serving size, storage directions, date marking and ingredients before choosing a format for the household.

What should you check?

Start with when you plan to drink it, then compare nutrition for that portion and check whether the pack format works at home.

PriorityWhat to checkYour needs
Before a long run Compare carbohydrate in the volume you intend to drink. Try the exact drink and timing in training. I need a pre-run option I can fit into my usual food plan and tolerate at the time I expect to run.
After a hard session Check carbohydrate and protein per bottle or poured serving. Plan fluids and a later meal too, as advised by UK Sports Institute for intense or prolonged exercise. When a meal is not ready straight away, I want to know what the drink contributes as a snack, not treat it as the whole meal.
Portion and sugars Read both the per-100-ml figures and the stated serving size; compare sugars for the amount you will drink. Yazoo lists 200 ml as a serving for its Chocolate drink. A larger bottle might be more than the portion I planned, so I want to compare drinks on the same volume basis.
Pack format Check the number and size of bottles or cartons, plus storage directions and date marking on the exact pack. Several people may use the pack, so individual portions and space to store them matter to me.
Ingredients and allergens Read the current ingredients and allergen information for the precise flavour and format. GOV.UK guidance identifies milk as an allergen that must be declared when it is an ingredient in prepacked food or drink. If someone sharing the pack has an allergy, I need to check that particular product rather than assume another flavour has the same ingredients.

Common buying mistakes

  • Treating one milkshake as the whole training food plan

    UK Sports Institute guidance calls for planning carbohydrate around longer endurance exercise and for a snack, fluids and a later meal after intense or prolonged exercise.

    Use the drink’s label to judge its contribution to a particular snack, while planning the rest of your food and fluids separately.

  • Reading per-100-ml values as per-serving values

    Yazoo Chocolate lists a 200 ml serving, while its nutrition figures are given per 100 ml. Those figures describe half the stated serving.

    Use the volume you intend to drink when comparing carbohydrate, protein and sugars across products.

  • Trying a new shake just before an important run

    The volume and timing that feel workable before running can vary between people.

    Try the exact flavour, portion and timing in an ordinary training session first.

  • Assuming flavours have identical ingredients

    An ingredients list for one flavour does not establish what is in another product or pack.

    Check the current ingredients and allergen declaration on each exact pack, particularly when buying for someone with an allergy.

A relevant brand reference

Yazoo’s Chocolate drink provides a useful example of why serving size matters when reading a flavoured-milk label; the figures below describe that drink, not every Yazoo product.

Yazoo

Yazoo lists a 200 ml recommended serving for its Chocolate flavoured-milk drink.

  • Yazoo’s Chocolate product information lists 8.8 g carbohydrate, including 8.6 g sugars, and 3.3 g protein per 100 ml.
  • Those values apply to the Chocolate drink shown by Yazoo; check the label of any different flavour or pack before comparing portions.

Milk and shake multipacks on Joybuy

These options are individual-portion protein shakes and strawberry milk sold in multipacks. Compare their stated pack sizes and check the current label for nutrition, ingredients and storage directions before deciding which fits a training snack or a shared household pack.

REP vanilla protein shake, pack of eight 250 ml cans

REP Vanilla Protein Shake, 8 × 250 ml

Eight 250 ml portions offer a defined bottle size for comparing a post-run snack. Check the current can for carbohydrate, protein, ingredients and the milk-allergen declaration; do not treat one can as a complete long-run food plan.

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Applied Nutrition Strawberries & Cream protein shake, pack of eight 330 ml bottles

Applied Nutrition Strawberries & Cream Shake, 8 × 330 ml

This eight-bottle format provides 330 ml portions for comparing drinks you might have after training. Read the current bottle’s carbohydrate and protein figures alongside its ingredients and milk-allergen information.

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Applied Nutrition Vanilla Ice Cream protein shake, pack of eight 500 ml bottles

Applied Nutrition Vanilla Ice Cream Shake, 8 × 500 ml

Each bottle is 500 ml, a volume worth considering if you plan to drink it close to a run. Compare nutrition for the amount you will actually have, and try that volume and timing in training. Check the current label for ingredients and allergens.

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Grenade Salted Caramel protein shake, pack of eight 330 ml bottles

Grenade Salted Caramel Protein Shake, 8 × 330 ml

The pack contains eight 330 ml bottles. If you are considering one as a post-run snack, compare its carbohydrate as well as its protein on the current label, and check the ingredients and milk-allergen information.

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POKKA Strawberry Milk, pack of three 240 ml cartons

POKKA Strawberry Milk, 3 × 240 ml

This is a three-carton flavoured-milk pack rather than a product named as a milkshake. Check nutrition for a 240 ml carton if the label presents figures per 100 ml, and read the current allergen and storage information.

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Questions about training and milkshakes

Can I drink a milkshake before a long training run?

A milkshake can contribute carbohydrate, but it will not suit everyone just before running. UK Sports Institute advises carbohydrate before long endurance runs; compare the portion’s label and test the drink and timing during training.

Can a milkshake take the place of a meal after running?

Do not plan on a milkshake as the whole post-run meal. For intense or prolonged exercise, UK Sports Institute advises a carbohydrate-and-protein snack with fluids as soon as possible, followed by a full meal within two hours.

How do I compare different bottle sizes?

Compare carbohydrate, protein and sugars for the amount you intend to drink. If one label gives figures per 100 ml and another per bottle, convert them to the same volume before drawing a comparison.

What should I check when buying a multipack for several people?

Check the number and volume of portions, storage directions and date marking on the exact pack. Read its current ingredients and allergen declaration for everyone who may drink it; another flavour’s label is not a substitute.

Do I need a specialist drink instead of a milkshake?

Choose according to the session and what you have tried successfully in training, rather than the product category alone. UK Sports Institute distinguishes carbohydrate before long endurance exercise from carbohydrate and protein after intense or prolonged exercise; compare the actual serving of any drink with the role you need it to fill.