People planning work or commute snacks
An individually wrapped bar can be kept ready for an afternoon break. Decide whether a smaller bar meets your needs or whether you want the serving stated on a larger protein bar.
Who are multipacks for?
People choosing a repeatable protein-focused snack
If protein per bar is your deciding factor, compare that figure on the exact flavour rather than assuming every multipack has the same serving size or nutrition.
People checking allergens across a whole box
Selection boxes may contain different recipes. Check the current label for every flavour you expect to receive, particularly if you need to avoid milk, peanuts, other nuts, soya or wheat.
What should you compare?
Start with what you want from one afternoon snack, then check whether the pack contains flavours and servings you would use regularly.
| Priority | What to check | Your needs |
|---|---|---|
| Protein per bar | Compare grams of protein for the actual bar, alongside its weight and other per-bar nutrition. The Nature Valley Peanut & Chocolate listing on Joybuy states 10g per bar; Costco UK lists 20g for each 60g bar in its MyProtein multipack. | A smaller snack may be enough for my afternoon break. If I specifically want around 20g of protein, I’ll check the serving rather than treating every protein bar as equivalent. |
| Pack size | Check the number of bars and whether the pack is a single flavour or a selection. The reviewed grocery pack contains eight bars; the brand boxes include 12-bar formats. | I want a supply I can use regularly without committing to more of one flavour than I’m likely to enjoy. |
| Flavours | Check the listed flavours and whether substitutions are possible. Grenade says flavours in its selection box can vary. | If I’m trying a range for the first time, several flavours appeal more than a full box of an unfamiliar one. |
| Ingredients | Read the current ingredients and allergen information for each flavour. GOV.UK says any of the 14 regulated allergens present in prepacked food must be clearly labelled. | I need every bar in the box to meet my ingredient requirements, not just the flavour shown on the front. |
| Sweeteners and warnings | Check the ingredient list and pack warnings. The reviewed Grenade, PhD and Barebells pages warn that excessive consumption may have a laxative effect. | If I plan to eat these bars regularly, I want to know what the warning says before buying a larger pack. |
Common buying mistakes
-
Assuming all protein bars provide a similar serving
A pack can meet the need for a convenient snack without matching another bar’s protein amount. Joybuy lists 10g per bar for Nature Valley Peanut & Chocolate, while Costco UK lists 20g per bar for its MyProtein Layered Bar Multipack.
Compare protein and bar weight per serving before choosing a pack for a particular snack plan.
-
Checking only one flavour’s allergens
Recipes can differ within a selection box, and Grenade says its selection-box flavours can vary. One flavour’s label cannot describe every bar you receive.
Check the current information for each listed flavour and read its individual wrapper before eating it.
A box is less useful if some of its flavours do not meet your ingredient requirements.
-
Overlooking delivery restrictions
Delivery eligibility can affect whether a multipack fits your plans. Costco UK notes postcode restrictions for the reviewed MyProtein multipack.
Confirm delivery eligibility and the final basket details before placing an order.
-
Treating sugar wording as the whole ingredient story
Grenade, PhD and Barebells include excessive-consumption laxative-effect warnings on the reviewed products. Wording such as “no added sugar” does not replace the full ingredients list.
Read the ingredients and warnings for the exact bar, particularly before buying a repeat supply.
Brands and retailer routes
Grenade
Grenade offers single-flavour 12-bar boxes and a 12-bar selection box for trying several flavours.
- Grenade states 21g protein per OREO bar.
- Selection-box flavours can vary; check individual wrappers for ingredients and allergens.
PhD
PhD’s Smart Bar range includes a 12-pack format positioned by the brand for between-meal snacking.
- The brand lists 21g or 22g protein per 64g bar for several displayed flavours.
- Nutrition varies by flavour, and the product page carries an excessive-consumption warning.
MyProtein
Costco UK lists a MyProtein Layered Bar Multipack containing 12 × 60g bars in five flavours.
- The retailer lists 20g protein per bar for this multipack.
- Check each flavour’s label for ingredient requirements; the retailer also notes postcode restrictions.
Barebells
Barebells offers a 12-bar selection box with four listed flavours.
- Barebells states 20g protein per bar and describes the selection-box bars as having no added sugar.
- The displayed Caramel Cashew recipe includes milk, cashew and peanut ingredients; check each flavour’s full label.
Tesco
Tesco is a grocery retailer route for adding a protein-bar multipack to a regular shop, rather than a protein-bar manufacturer.
- Tesco lists Nature Valley Protein Peanut & Chocolate in an eight-bar, 40g-per-bar pack.
- Joybuy’s listing for that product states 10g protein per bar and identifies milk, peanuts and soya as allergens.
Joybuy protein bar options
These Grenade options include 12-bar packs for a planned afternoon snack and a smaller four-bar OREO pack for trying that flavour before buying more.
No image available
Grenade OREO Protein Bars, 12 × 60g
A 12-bar pack for keeping the same flavour ready for afternoon snacks. Grenade states 21g protein per OREO bar; check the pack’s current ingredients and warnings before regular use.
No image available
Grenade Soft Core Double Chocolate, 12 × 50g
This single-flavour 12-pack provides individually portioned 50g bars for planned snacks. Check the exact bar’s protein figure, ingredients and warnings against your requirements.
No image available
Grenade Soft Core Golden Caramel, 12 × 50g
A 12-pack of one 50g-bar flavour for a regular afternoon snack. Compare its per-bar nutrition with other pack sizes, and check the current ingredients and warnings.
No image available
Grenade Soft Core Peanut Butter, 12 × 50g
This 12-pack contains 50g Peanut Butter bars for repeat snacking. Check its current peanut and other allergen information, per-bar nutrition and warnings before choosing a full box.
No image available
Grenade OREO Protein Bars, 4 × 60g
The four-bar pack lets you try the OREO flavour before committing to a 12-pack. Grenade states 21g protein per OREO bar; check the current label for ingredients and warnings.
Questions about protein bar multipacks
How do I compare packs with different bar sizes?
Compare nutrition for one whole bar, not just the pack count or front-of-pack wording. Joybuy lists 10g protein per 40g bar for Nature Valley Peanut & Chocolate, while Costco UK lists 20g per 60g bar for its MyProtein multipack; check sugars, ingredients and allergens for the exact options you are considering too.
Can a protein bar replace an afternoon meal?
A protein bar is not automatically a meal substitute. Check its per-bar nutrition in the context of what you intend to eat; PhD describes its Smart Bar as a between-meal product and advises consuming it as part of a varied, balanced diet.
What if I have a food allergy or intolerance?
Read the current ingredients and allergen information for the exact flavour, then check its wrapper when you receive it. GOV.UK says any of the 14 regulated allergens present in prepacked food must be clearly labelled; another flavour’s label is not a substitute.
Why do some bars carry an excessive-consumption warning?
The reviewed Grenade, PhD and Barebells pages warn that excessive consumption may have a laxative effect. Read the exact product’s ingredients and warning before buying a larger supply, particularly if you have concerns about sweeteners or polyols.