Shoppers looking for a portable snack
A bar with a current gluten-free claim and protein stated per bar makes it easier to compare options for a journey or a break away from home. Check the exact flavour and pack, not just the product range.
Who is choosing?
Home cooks choosing nuts
Plain nuts can work as an ingredient or snack. Tesco Almonds list 21.1g protein per 100g, but that nutrition figure is separate from checking whether the exact pack meets your gluten-free requirements.
Shoppers considering salted peanuts
A prominent protein figure cannot settle the gluten question. KP Original Salted Peanuts list 30g protein per 100g, while KP Nuts also states that they may contain gluten.
What matters when choosing?
Check the exact product’s gluten information before comparing protein per portion. A bar, a pack of plain nuts and a seasoned peanut snack serve different uses, even when all show protein per 100g.
| Priority | What to check | Your needs |
|---|---|---|
| Gluten information | Read the current gluten-free claim and ingredient or allergen information for the exact pack. Coeliac UK’s current product information offers another product-specific check; a nut ingredient or protein figure is not a gluten-free claim. | I need to recognise a suitable product without relying on its ingredients alone. In findings Coeliac UK published in January 2026, 74.7% of 3,785 responding members said they trusted its Crossed Grain Trademark more than a gluten-free statement. Separately, in Coeliac UK’s survey reported in January 2023, 76% of 6,500 gluten-free consumers actively wanted that trademark on products; 77% of those respondents had been diagnosed with coeliac disease. |
| Suitable alternatives | Keep the exact products you can use in mind, rather than assuming another pack in the same range has identical labelling. Check availability before relying on one product for a trip. | If my usual option is unavailable, I want another pack I can check. Of the 3,785 Coeliac UK members whose responses were reported in January 2026, 38.4% were happy with the gluten-free range in supermarkets; that figure describes satisfaction with range, not whether a particular nut product is in stock. |
| Portable format | Compare protein per bar and the stated serving size. Read sugars, salt and other allergen information alongside the gluten-free claim; a bar is not nutritionally interchangeable with plain nuts. | For a snack away from home, I want a portion I can identify and check quickly. In Coeliac UK’s January 2026 report on 3,785 responding members, 70% said they were dissatisfied with the quality of on-the-go gluten-free products; this is a quality finding, not a measure of protein demand. |
| Protein per portion | Compare both per-100g and per-portion figures on the same basis. Sainsbury’s lists 10.4g protein per 40g Nature Valley Salted Caramel bar; Tesco lists 6.3g per 30g serving of its almonds. | I want to know how much protein is in the amount I expect to eat, while checking the rest of that product’s label. |
What is easy to overlook?
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Assuming every packaged nut is suitable
The ingredient and the finished product are different checks. KP Original Salted Peanuts carry a may-contain-gluten statement; the Tesco Almonds product information used here gives protein values but makes no explicit gluten-free claim.
Read the current pack’s gluten and allergen information. For a plain-nut product you cannot establish from the pack, consult current Coeliac UK product information before treating that exact pack as suitable.
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Comparing protein per 100g alone
The amount in one portion can tell a different story from the per-100g column. Sainsbury’s lists 26g protein per 100g and 10.4g per 40g Nature Valley Salted Caramel bar; Tesco lists 21.1g per 100g and 6.3g per 30g serving of its almonds.
Compare the portion you would use, then read the sugars, salt and allergen information for each product.
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Treating a nut bar like plain nuts
Bars have their own ingredient and nutrition profiles. Marks & Spencer lists 19.3g sugars and 1.00g salt per 100g for its gluten-free Nuts, Seeds and Sea Salt Bars; Joybuy lists 5.8g sugars and 0.42g salt per 40g Nature Valley Salted Caramel bar.
Choose a bar for its format and stated portion information, or consider plain nuts for cooking after checking the exact pack’s gluten information. Compare nutrition using the same per-100g or per-portion basis.
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Relying on one familiar pack
A different flavour or pack needs its own label check, and a preferred product may not be available when you shop.
Keep a second product you can check for your needs, and confirm availability before making a special trip.
Relevant brand and retailer references
These examples concern specific products and ranges, not every item sold under each name.
M&S
Marks & Spencer lists gluten-free nut-based snack bars and a natural-nuts range.
- Its Almond, Blueberry and Cranberry Bar lists 21.9g protein per 100g; its Nuts, Seeds and Sea Salt Bars list 22.1g per 100g. Both product listings state gluten-free.
- Those bar figures do not describe plain nuts. Check the ingredients and current label of the exact M&S product you choose.
Nature Valley
Its Protein Salted Caramel Nut Bar provides a portable, portion-labelled example.
- Sainsbury’s lists the bar as gluten-free, with 10.4g protein per 40g serving.
- Joybuy lists peanuts, almonds and soya protein among its ingredients, as well as 5.8g sugars and 0.42g salt per 40g serving. Check the current pack for all allergens.
Tesco
Tesco Almonds provide a plain-nut example for comparing protein by weight and serving.
- The 200g pack lists 21.1g protein per 100g and 6.3g per 30g serving.
- That product information makes no explicit gluten-free claim; check the current pack before choosing it for coeliac shopping.
KP
KP Original Salted Peanuts show why a protein figure and gluten information must be considered separately.
- KP Nuts lists 30g protein per 100g for Original Salted Peanuts.
- KP Nuts also states that this product may contain gluten, so its protein figure does not make it a confirmed gluten-free option.
KIND
Sainsbury’s lists the KIND Milk & White Chocolate Nut Multipack as a gluten-free nut-based bar option.
- The listing states 60% nuts and 5.1g protein per 30g bar.
- Its listed nuts include almonds, peanuts and cashews. Check the current pack for these and other allergens before choosing it.
Joybuy nut-based bars
These Nature Valley multipacks represent the portable-bar route. For coeliac shopping, check the current gluten-free wording and allergen information on the exact pack you intend to buy; the bars do not settle whether a separate plain-nut product is suitable.
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Nature Valley Protein Salted Caramel Nut Bar 4x40g
A portion-labelled bar for a snack away from home. Joybuy describes it as gluten-free and lists 10.4g protein, 5.8g sugars and 0.42g salt per 40g serving. Its listed ingredients include peanuts, almonds and soya protein; check the current pack for allergens.
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Nature Valley Protein Peanut & Chocolate Bar 4x40g
The four-bar pack is another portable format. Check this exact variant’s current gluten-free wording, protein per bar and milk, soya and nut allergen information rather than applying the Salted Caramel bar’s figures to it.
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Nature Valley Protein Peanut & Chocolate Cereal Bars 8 x 40g
This eight-bar pack suits someone considering the same portable format in a larger quantity. Check its own current gluten-free wording, protein per bar and allergen information; do not assume it has the same formulation as the four-bar listing.
Common questions
Are plain nuts automatically a suitable choice for coeliac shopping?
No: check the finished product, not just the nut ingredient. Tesco Almonds list protein values but make no explicit gluten-free claim in the product information used here. Read the current pack or consult current Coeliac UK product information for the exact product.
Do KP Original Salted Peanuts work as a gluten-free protein snack?
They should not be treated as a confirmed gluten-free option on the basis of KP Nuts’ product information. It lists 30g protein per 100g but also says the peanuts may contain gluten. Check for a different product with current, product-specific gluten-free information.
How can I check a product if its recipe or packaging changes?
Start with the current pack’s ingredients, allergen information and gluten-free wording. Coeliac UK also directs shoppers to its current Food and Drink Information or Live Well Gluten Free app and publishes updates to its Food and Drink Guide.
Is a protein bar the same choice as a portion of nuts?
No. A bar offers a stated serving size, but its ingredients and nutrition need their own check. Joybuy lists 10.4g protein, 5.8g sugars and 0.42g salt per 40g Nature Valley Salted Caramel bar; compare a plain-nut product using its own portion information and current gluten details.