What should you check before buying?
Start with the dietary requirement the bar must meet, then check the individual serving and how its label will stay with it at the sale.
| Priority | What to check | Your needs |
| Dietary requirement |
Check the exact flavour’s dietary claim, ingredients and “may contain” statement. Vegan, dairy-free and gluten-free describe different requirements; none is a blanket allergy assurance. |
I need to offer a bar that matches a named requirement, while leaving visitors with the information to check any allergens they must avoid. |
| Protein per bar |
Compare protein and energy on the same per-bar or per-serving basis, noting the bar size. Do not substitute a per-100g figure for what one bar provides. |
For a protein-focused snack, I want to know what is in the individual bar I will hand over, not just its product category. |
| Packaging and flavours |
Check whether each bar has its own wrapper and whether a multipack contains different flavours. Keep the correct ingredient information with each bar. |
A mixed box might suit general refreshments, but I would use individually checked flavours when offering a bar for a specific dietary requirement. |
| Selling food |
Establish with the local authority whether the activity is a food business and check the organiser’s conditions. The Food Standards Agency says a new food business must register at least 28 days before trading or food operations start. In England, Wales and Northern Ireland, applicable food prepacked for direct sale needs its name and a full ingredients list with allergens emphasised. |
If I plan to sell or pack refreshments, I need to check the rules for that activity before the event rather than assume they are the same as bringing snacks for personal use. |
Relevant brands and retailers
Brand ranges and retailer categories can help narrow a search, but suitability for a dietary requirement rests with the particular product and flavour.
Grenade
Grenade offers protein bars and mixed selection boxes.
- Grenade describes its protein-bar range as providing over 20g of protein per bar.
- Its selection box can contain varying flavours and carries warnings covering several allergens; check each wrapper separately.
PhD
PhD’s Smart Plant range offers vegan protein bars.
- PhD states that Smart Plant provides 20g of protein per serving on the product page supplied.
- The listed Salted Caramel ingredients include soya protein and peanut paste, so its vegan description does not establish suitability for avoiding those ingredients.
Myprotein
Myprotein lists a vegan Peanut Butter Protein Bar.
- Its UK product page states 8g of plant protein per bar.
- It contains peanut ingredients; Myprotein says it is not suitable for people with peanut or nut allergies.
Quest
Quest describes protein bars on its US-facing website.
- Check the ingredients and allergen statement of any particular UK-sold Quest bar rather than applying general US range descriptions to it.
Barebells
Barebells offers a Vegan Fudge Brownie protein bar.
- Barebells states that this 55g bar provides 15g of protein.
- The product contains wheat and soya and carries precautionary warnings for milk, peanuts, tree nuts and sesame.
Tesco
Tesco is a retailer with snack-bar listings, including Nakd Cherry Protein Bars.
- Tesco lists the Nakd Cherry bar as vegan, gluten-free and dairy-free.
- The same listing says it contains peanuts and may contain soya and nuts; check the individual product, not just the shopping category.
Joybuy protein-bar options
These multipacks cover plant-based flapjacks, nut-containing bars and general protein-bar refreshments for a car boot sale. Match each flavour to the requirement you need to meet using its current wrapper.
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Trek Salted Caramel Protein Flapjacks, 3 x 50g
For a plant-based or gluten-free refreshment choice, check this flavour’s wrapper for its dietary claims, soya declaration and precautionary allergen wording before offering it.
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Nature Valley Protein Peanut & Chocolate Bar, 4 x 40g
The peanut flavour makes checking the exact ingredients especially important when offering these bars to visitors with allergen restrictions. The pack contains four 40g bars; keep each wrapper with its bar.
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Nature Valley Protein Salted Caramel Nut Bar, 4 x 40g
This four-bar nut variety is an option for general refreshments, not a substitute for checking a visitor’s specific requirement. Read the individual wrapper for ingredients and allergen warnings.
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Grenade Soft Core Double Chocolate Protein Bar, 12 x 50g
The 12-bar pack can serve a general refreshment table. For a free-from request, check the Double Chocolate wrapper’s ingredients and allergen statement rather than applying claims about other Grenade bars or flavours.
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Grenade Soft Core Golden Caramel Protein Bar, 12 x 50g
For general protein-bar refreshments, this is a separate 12-bar flavour choice. Keep its own wrapper available so visitors can check the Golden Caramel ingredients and allergen wording.
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Frequently asked questions
Is a vegan protein bar automatically suitable for someone avoiding milk?
No. A vegan description does not replace the exact flavour’s allergen statement: Barebells Vegan Fudge Brownie carries a precautionary warning for milk, as does Myprotein’s vegan Peanut Butter Protein Bar. Check the individual wrapper against the person’s stated requirement.
Does gluten-free mean nut-free or dairy-free?
No. Tesco lists Nakd Cherry Protein Bars as gluten-free and dairy-free, but says they contain peanuts and may contain soya and nuts. Check each allergen requirement separately.
Can I use a mixed selection box for free-from refreshments?
Only after checking the individual bars against the requirement you intend to meet. Grenade says flavours in its selection box can vary and directs buyers to each wrapper for allergen information; a box-level description cannot stand in for every flavour’s label.
Do I need to register to sell bars at a car boot sale?
If the activity is a new food business, the Food Standards Agency says it must be registered with the local authority at least 28 days before trading or food operations start. Ask the relevant local authority whether your planned activity is a food business, and check the event organiser’s conditions.
What changes if I pack food myself before selling it?
In England, Wales and Northern Ireland, Food Standards Agency guidance requires applicable food prepacked for direct sale by a food business to carry its name and a full ingredients list with allergenic ingredients emphasised; temporary outlets can fall within its scope. Check how the rules apply to your packing and selling arrangement with the local authority before trading.