Who is this choice for?

A reduced-fat crisp is a choice about a convenient savoury snack, not a shortcut to choosing food for every exercise occasion.

Gym-goers packing a savoury snack

An individual crisp pack may be convenient to carry when you want something savoury. Decide whether a single pack or a larger bag matches the amount you intend to eat.

Shoppers comparing reduced-fat labels

Look beyond the front-of-pack claim. Fat per 100g helps compare products, while the pack size, calories, salt and ingredients describe the particular snack you are buying.

People choosing a snack around training

If the purpose is food before or after exercise, consider that purpose separately from a preference for crisps. University College London Hospitals NHS Foundation Trust discusses exercise snacks that include carbohydrate and protein.

What should you check before buying?

Compare fat on the same per-100g basis first. Then check the size and label of the pack you would put in your bag.

PriorityWhat to checkYour needs
Fat comparison Read fat per 100g as well as per pack. Walkers lists 13g per 100g and 2.8g per 22g pack for the Oven Baked flavours discussed here; its 50% less-fat comparison is a manufacturer claim against regular potato crisps. I want a potato crisp with a clearly stated fat comparison, rather than choosing on the word “baked” alone.
Pack size and label Check the actual bag weight, then its calories, fat and salt. Walkers lists 96 kcal, 2.8g fat and 0.19g salt for a 22g Oven Baked Sea Salt pack. GOV.UK advises comparing the available nutrition information on food labels. A pack that fits in my bag matters, but I also want to know what is in the amount I am likely to eat.
Snack purpose Decide whether you want a savoury snack or food chosen specifically for an exercise occasion. University College London Hospitals NHS Foundation Trust discusses carbohydrate and protein in exercise snacks; the Walkers Oven Baked Sea Salt 22g pack lists 1.3g protein. If I am packing food around training, I do not want a reduced-fat claim to stand in for checking what the snack provides.
Flavour and ingredients Read the exact flavour’s ingredient and allergen statements, including any may-contain wording. Walkers lists barley and milk ingredients in Oven Baked Salt & Vinegar, and milk-derived ingredients in Cheese & Onion. I need the flavour I buy to fit my ingredient requirements; another flavour in the range may have a different label.

Common comparison mistakes

  • Reading “reduced fat” as a verdict on the whole snack

    A fat comparison says nothing by itself about the pack’s calories, salt or flavour-specific allergens. Walkers Oven Baked Sea Salt, for example, lists 96 kcal and 0.19g salt per 22g pack.

    Use the claim to identify products to compare, then read the nutrition and ingredient information on the flavour and pack size you intend to buy.

  • Comparing packs of different sizes as though they were equal

    A smaller bag can show a smaller per-pack fat figure without answering which product has less fat at the same weight. KETTLE Chips lists 29.5g fat per 100g for Lightly Salted, Seabrook lists 30.4g per 100g for Sea Salted, and Walkers lists 13g per 100g for the Oven Baked flavours discussed here.

    Compare per 100g for the product-to-product question, then use the pack weight and per-pack panel to assess the amount you plan to carry and eat.

  • Assuming anything packed for the gym is a training snack

    A crisp pack can answer a craving for something savoury without answering a separate question about food around exercise. University College London Hospitals NHS Foundation Trust discusses exercise snacks containing carbohydrate and protein; Walkers Oven Baked Sea Salt lists 1.3g protein per 22g pack.

    Choose food for the occasion you have in mind rather than treating the crisp’s reduced-fat claim as a training-nutrition claim.

Brands and product lines to compare

These references distinguish reduced-fat potato crisps from conventional crisps and crisp-style alternatives; each label applies to a particular product or range, not every product from the brand.

Walkers

The Oven Baked range includes portioned potato-crisp packs. Walkers claims 50% less fat than regular potato crisps for the range discussed here.

  • The Sea Salt, Salt & Vinegar and Cheese & Onion flavours discussed here each list 13g fat per 100g and 2.8g per 22g pack.
  • Ingredients and allergen statements differ by flavour; read the exact pack.

Tyrrells

Tyrrells has potato crisps and a separate lentil-crisp line. The lentil products are an option to examine only if a potato crisp is not essential.

  • Tyrrells claims its lentil crisps have 30% less fat than standard potato crisps on average; that is the brand’s comparison, not a comparison with every potato crisp.
  • Lentil crisps are not potato crisps. Check the chosen flavour’s nutrition panel, including salt.

KETTLE Chips

Lightly Salted is a conventional hand-cooked potato crisp rather than the reduced-fat route considered here.

  • KETTLE Chips lists its Lightly Salted product as gluten-free and suitable for vegans and vegetarians.
  • Its published nutrition lists 29.5g fat and 516 kcal per 100g; compare the bag size before using a per-pack figure.

Seabrook

Sea Salted is a conventional crinkle-cut potato crisp with a short ingredient list published by Seabrook.

  • Seabrook labels Sea Salted as gluten-free and suitable for vegetarians and vegans.
  • The Sea Salted nutrition panel lists 30.4g fat and 516 kcal per 100g; it is not presented here as a reduced-fat option.

Pipers

Pipers makes flavoured potato crisps. Its range is a separate flavour choice, not a reason to assume a reduced-fat formulation.

  • The brand describes its crisps as made with potatoes and flavoured ingredients.
  • Check the particular pack’s fat, salt and allergen information before comparing it with a reduced-fat crisp.

REAL Hand Cooked Crisps

REAL makes hand-cooked crisps and describes its range as vegetarian and gluten-free.

  • The brand’s stated range-wide vegetarian and gluten-free positioning may help identify flavours to check.
  • Individual flavour ingredients still matter: REAL lists milk in its Ham & Colman's Mustard product. Check the current pack for your requirements.

Joybuy potato-snack options

These options include portioned Walkers Oven Baked potato crisps and a larger PopChips popped-potato snack. Check whether you want individual packs or a sharing bag before choosing between them.

Walkers Oven Baked Variety Pack Crisps, 6 x 22g

Walkers Oven Baked Variety Pack Crisps, 6 x 22g

Six 22g packs offer individually packed potato crisps to put in a gym bag. The variety pack contains different flavours, so check each inner pack’s ingredients and allergen statements rather than assuming they are identical.

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Walkers Oven Baked Cheese & Onion Crisps, 6 x 22g

Walkers Oven Baked Cheese & Onion Crisps, 6 x 22g

This multipack offers six 22g packs of one flavour. Walkers lists 13g fat per 100g and 2.8g per 22g pack for Oven Baked Cheese & Onion; its ingredients include milk-derived components, so check the current pack if that affects your choice.

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PopChips Sour Cream & Onion, 85g bag

PopChips Sour Cream & Onion, 85g

This is an 85g bag of popped potato snacks, rather than an individual 22g pack. Consider how much you intend to take with you; the product information identifies milk and a facility that handles soy, so read the current allergen label.

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Questions about gym-bag crisps

Does “50% less fat” make crisps a workout snack?

No. Walkers’ claim compares its Oven Baked crisps with regular potato crisps; it does not establish what the pack provides for an exercise occasion. University College London Hospitals NHS Foundation Trust discusses exercise snacks that include carbohydrate and protein, while Walkers lists 1.3g protein in a 22g Oven Baked Sea Salt pack.

Should I compare crisps per 100g or per pack?

Use both figures for different questions. Per 100g lets you compare products at the same weight; per-pack figures describe the amount in the bag. Walkers lists 13g fat per 100g for Oven Baked Sea Salt, and 2.8g fat, 96 kcal and 0.19g salt in its 22g pack.

Do all Walkers Oven Baked flavours have the same allergens?

No. Walkers lists barley and milk ingredients in Oven Baked Salt & Vinegar and milk-derived ingredients in Cheese & Onion. Read the ingredients and may-contain statements on the exact flavour’s current pack.

Do school-food rules decide what an adult can put in a gym bag?

The school-food material cited here does not set a rule for an adult’s personal gym-bag purchase. Department for Education guidance concerns food provided in state-funded schools in England and describes further changes proposed for September 2027 as subject to Parliamentary approval; England’s food promotion-and-placement regulations have a separate scope. A school food purchase needs a check of the applicable nation, setting and current rules.