People taking a milk drink with lunch
A small ready-to-drink carton is a practical format to compare. Check its fat per 100 ml, the full carton’s sugars and whether it needs chilling.
Who is each drink for?
The useful distinction is whether the drink accompanies lunch, adds a stated amount of protein or is specifically labelled to replace a meal.
People comparing protein shakes
Compare protein per bottle as well as fat per 100 ml. If lactose matters, read the particular product’s label; a lactose-free milk shake still contains milk.
People planning a meal replacement
Look for a product explicitly labelled as a meal replacement and follow its preparation directions. A conventional flavoured milkshake is not interchangeable with one.
What should you check before buying?
Small flavoured milk drink
Choose when: You want a ready-to-drink carton alongside your lunch.
Keep in mind: A low-fat milk drink is not, by that description alone, a meal replacement.
Protein shake
Choose when: The stated protein per bottle matters more to you than a conventional milkshake format.
Keep in mind: These milk-based drinks still need an allergen check and are not automatically meal replacements.
Labelled meal replacement
Choose when: You are deliberately planning to replace a meal and can follow the product’s directions.
Keep in mind: Tesco Slim Chocolate requires preparation with skimmed milk; its directions say it is not a total diet replacement.
| Priority | What to check | Your needs |
|---|---|---|
| Fat content | Read fat per 100 ml on the current pack. For most liquid low-fat claims in Great Britain, the legislation published by legislation.gov.uk sets a limit of 1.5 g per 100 ml; semi-skimmed milk has a separate 1.8 g per 100 ml provision. | I want to establish whether the drink meets my low-fat requirement before comparing flavours or bottle sizes. |
| Label comparison | Use traffic-light labelling to compare fat, saturates, sugars and salt at a glance, then read the nutrition panel for the amount you will drink. | I’d like a quick way to compare packs. In the Food Standards Agency and Ipsos Northern Ireland’s 2024 survey, 49% of 611 people interviewed in Northern Ireland said they actively used traffic-light labelling when shopping for food; this was not a milkshake-specific measure. |
| Whole serving | Check the bottle or carton size, then compare sugars, energy and protein for that whole amount rather than relying only on per-100-ml figures. Tesco Groceries lists 9.4 g sugars and 6.6 g protein per 200 ml Yazoo No Added Sugar Chocolate carton. | A small carton and a larger bottle may contribute different amounts to my lunch, even when their per-100-ml figures look similar. |
| Role at lunch | Distinguish a flavoured milk drink or protein shake from a product explicitly labelled as a meal replacement. Check any preparation and use directions. | Am I taking a drink with food, or deliberately preparing a product intended to replace a meal? |
| Allergens | Read the current ingredients and allergen declaration. The Yazoo, Arla Protein, For Goodness Shakes and Mars products described here contain milk; lactose-free wording does not mean dairy-free. | If I need to avoid milk, a lactose-free label does not answer my allergen question. |
| Storage | Check instructions before and after opening, especially if you cannot refrigerate the drink during your journey. Tesco Groceries lists refrigeration after opening and use within three days for the cited Arla Protein shake, or two days for the cited For Goodness Shakes product. | I need a drink whose storage instructions fit when I plan to open and finish it. |
Common buying mistakes
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Assuming ‘no added sugar’ means low fat
Tesco Groceries lists 2.2 g fat per 100 ml for Mars Chocolate Flavoured Milk Drink No Added Sugar. That exceeds the 1.5 g per 100 ml limit for most liquid low-fat claims in Great Britain.
Check fat per 100 ml separately from added-sugar wording, then compare sugars and energy for the amount you will drink.
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Comparing only per-100-ml figures
A 200 ml carton and a 330 ml bottle contain different total amounts. The per-100-ml panel alone does not tell you what you will consume if you finish either one.
Use the per-100-ml figures for a like-for-like comparison, then check the figures for the whole carton or bottle.
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Treating every shake as a replacement for lunch
A protein shake’s name does not establish that it is formulated or labelled as a meal replacement. Tesco Slim Chocolate, by contrast, has specific meal-replacement preparation directions.
Choose a meal replacement only when that is what you intend and follow its label; otherwise consider the drink as part of lunch.
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Confusing lactose-free with dairy-free
The cited Arla Protein and For Goodness Shakes products are labelled lactose free but contain milk.
If you need to avoid milk, check the allergen declaration on the actual pack rather than relying on lactose wording.
Brand and product-line references
These examples show why the particular drink and its label matter more than the brand name alone.
Yazoo
Tesco Groceries lists Yazoo No Added Sugar Chocolate in 200 ml cartons.
- The cited carton lists 1.4 g fat per 100 ml and 6.6 g protein per 200 ml.
- It contains milk and lists 9.4 g sugars per 200 ml; ‘no added sugar’ does not mean sugar-free.
FRijj
For a FRijj milkshake, assess the particular flavour and pack size rather than relying on the brand name.
- Check the current pack’s fat per 100 ml before choosing one for a low-fat requirement.
Mars
The cited Mars Chocolate Flavoured Milk Drink No Added Sugar is a 400 ml milk drink.
- Tesco Groceries lists 2.2 g fat and 6.5 g sugars per 100 ml for this variant. It contains milk and barley.
Arla Protein
The cited Strawberry and Raspberry flavoured milk shake is a ready-to-drink protein option.
- Tesco Groceries lists 0.9 g fat and 5.7 g protein per 100 ml.
- It contains milk despite its lactose-free description. Once opened, the cited product must be refrigerated and consumed within three days.
For Goodness Shakes
The cited Protein Chocolate shake is a 330 ml milk-based protein drink.
- Tesco Groceries lists 0.3 g fat and 10.6 g protein per 100 ml.
- Its lactose-free description does not remove the milk allergen. After opening, refrigerate and consume within two days.
Tesco Slim
Tesco Slim Chocolate is a meal-replacement product, not a ready-to-drink conventional milkshake.
- Its directions specify preparation with skimmed milk.
- Preparation takes planning when travelling, and the product directions say it should not be used as a total diet replacement.
Joybuy drinks to compare
These options include a protein shake and smaller milkshake yoghurt drinks for taking alongside lunch. Check each current pack’s fat per 100 ml before choosing it for a low-fat requirement; these are not meal-replacement selections.
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Grenade Salted Caramel Protein Shake, 8 × 330 ml
A bottled protein shake to consider when comparing drinks to take alongside lunch. The pack contains eight 330 ml bottles; check the current nutrition and allergen information, particularly fat per 100 ml and milk ingredients.
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LIGHT UP Zero Control Avocado Kale Chia Seed Milkshake Yogurt Drink, 3 × 220 ml
Three smaller milkshake yoghurt drinks to compare for a lunch-on-the-go occasion. This is a yoghurt-drink format rather than a conventional milkshake; check the current pack for fat per 100 ml, ingredients and milk allergens.
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LIGHT UP Zero Control Avocado Kale Chia Seed Milkshake Yogurt Drink, 220 ml
A single 220 ml milkshake yoghurt drink to compare with the three-bottle pack when planning what to take with lunch. Check the current pack’s fat per 100 ml, ingredients and milk allergen declaration.
Questions about low-fat milkshakes
What does ‘low fat’ mean on a liquid milkshake?
For most liquids in Great Britain, the nutrition-claims rules published by legislation.gov.uk permit a low-fat claim at no more than 1.5 g fat per 100 ml. There is a separate 1.8 g per 100 ml provision for semi-skimmed milk. Check the current drink’s per-100-ml panel.
Does ‘no added sugar’ mean a milkshake is low fat?
No. Tesco Groceries lists 2.2 g fat per 100 ml for Mars Chocolate Flavoured Milk Drink No Added Sugar, above the usual 1.5 g per 100 ml liquid low-fat limit in Great Britain. Read fat and sugars separately on the particular pack.
Can a low-fat milkshake replace lunch?
A low-fat label alone does not identify a drink as a meal replacement. If replacing a meal is your aim, choose a product labelled for that purpose and follow its directions: Tesco Slim Chocolate, for example, is prepared with skimmed milk, and its directions say it is not a total diet replacement.
Is a lactose-free shake suitable for someone avoiding milk?
Not necessarily. The cited Arla Protein and For Goodness Shakes products are described as lactose free but contain milk. Check the allergen declaration on the current pack if you need to avoid milk.
What should I check when carrying a shake to lunch?
Check the individual drink’s storage directions and when you plan to open it. Tesco Groceries specifies refrigeration after opening and use within three days for the cited Arla Protein shake, compared with two days for the cited For Goodness Shakes product.