Commuters comparing nutrition labels
If you are choosing a bar partly for its fat content, compare both the standard per-100g figure and the amount in the bar you will eat. Protein and calories per bar help put that portion in context.
Who is this choice for?
The useful choice depends on what the bar needs to do during your coffee break: offer a particular portion, provide a particular amount of protein, or meet ingredient requirements.
Protein-focused coffee-break shoppers
If protein per bar matters more to you than choosing the lower-fat example, compare the stated serving sizes as well as the protein figures. A 40g bar and a 64g bar are different portions.
Shoppers checking ingredients and warnings
If allergens or sweeteners affect your choice, read the label for the exact flavour. Ingredient lists, cross-contact statements and consumption warnings need checking on the bar you intend to buy.
What should you compare?
Start with fat per 100g to compare bars of different sizes, then look at the figures for one bar and its exact flavour. That separates the formulation from the portion you will actually have with coffee.
| Priority | What to check | Your needs |
|---|---|---|
| Fat content | Compare total fat per 100g, then fat per bar. Myprotein UK lists 8.6g per 100g for the documented Lean Layered variant and 10g per 100g for Lean Protein Bar Cookie Dough; check the flavour on your pack. | I want to compare bars fairly without mistaking a smaller portion for a different formulation. |
| Protein and portion | Read protein, calories and bar weight together. The documented Lean Layered bar provides 15g protein in 40g; PhD lists 21g protein in its 64g Choc Brownie Smart Bar. | A smaller bar may suit my coffee break, or I may prefer the protein amount in a larger bar. I need the per-bar figures to decide. |
| Flavour and format | Check the exact flavour, individual bar weight and any storage instructions. A coated bar carried in a bag still needs to be stored as its pack directs. | I want a bar I can carry and eat during my break, rather than choosing by a nutrition figure alone. |
| Ingredients and warnings | Read the exact flavour’s ingredients, allergen and cross-contact statements, plus any warning about excessive consumption of sweeteners. | Milk, soy, cereals containing gluten, peanuts or nuts may affect which bar I choose; another flavour’s label is not enough. |
What is easy to overlook?
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Taking “Lean” as a fat-content figure
A product name does not tell you how much fat is in 100g or in one bar. Myprotein UK lists 8.6g fat per 100g for the documented Lean Layered variant.
Read the nutrition panel rather than using the name as a substitute for the figures.
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Comparing different-sized bars only per bar
The documented examples include bars weighing 40g, 45g, 55g and 64g. Their per-bar fat figures reflect both the formulation and the portion size.
Compare fat per 100g first, then check fat, protein and calories in the bar you would eat.
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Assuming every flavour has the same ingredients
Milk and other ingredients or cross-contact warnings can differ between products and flavours. A familiar brand name cannot replace an ingredient check.
Read the product details and the physical pack for the exact flavour before eating it.
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Overlooking sweetener warnings
Some of the documented bars warn that excessive consumption may cause laxative effects. That warning matters if you plan to carry more than one bar.
Check and follow the warning on the product you choose.
Relevant brands and ranges
These references describe particular bars or shopping routes, not a claim that every product from a brand has the same nutrition or ingredients.
Myprotein
Lean Layered and Lean Protein Bar are two ranges to examine when comparing labelled fat alongside protein per bar.
- Myprotein UK lists 8.6g fat per 100g and 15g protein per bar for the documented Lean Layered variant.
- Lean Protein Bar Cookie Dough has a different profile: its listed fat is 10g per 100g and 4.6g per 45g bar. Check the figures for the flavour you choose.
Barebells
Cookies & Cream is a reference point if protein per bar matters more to you than choosing the lower-fat documented example.
- Barebells UK lists 20g protein per 55g bar and 12g fat per 100g for Cookies & Cream.
- Its product information notes possible cross-contact with cereals containing gluten, soy, peanuts and nuts; check the pack if these affect your choice.
Grenade
Caramel Chaos is an individually sized bar to consider when its stated protein and sugar figures suit your coffee-break choice.
- Grenade UK states 21g protein and 1.5g sugar for its 60g Caramel Chaos bar.
- Use the exact bar’s nutrition panel if you want to compare its fat content with another flavour or brand.
PhD
Smart Bar Choc Brownie provides a documented comparison between protein per bar and fat per 100g.
- PhD lists 21g protein per 64g bar for Choc Brownie.
- The same variant lists 14g fat per 100g and carries a warning that excessive consumption may cause laxative effects.
Quest
Quest describes its protein-bar range in terms of protein and other product attributes.
- Quest states that bars in its range provide 20–21g protein.
- Choose an exact variant and check its local product label before using it in a fat-per-100g comparison.
Tesco
Tesco is a shopping channel rather than a protein-bar manufacturer.
- Its protein-bar category has listed individual bars from brands including Grenade and Fulfil.
- Check the exact product and flavour label when shopping; a retailer category does not establish that different bars have the same nutrition.
Joybuy protein bar options
These Grenade packs are options for a portable protein bar with commuter coffee when reducing fat is not your main selection criterion. Compare the exact bar’s fat per 100g and per serving before choosing one for a lower-fat aim.
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Grenade Oreo Flavour Protein Bar, 4 × 60g
A pack of four 60g bars for coffee breaks where this flavour appeals more than seeking the lower-fat documented examples. The product information identifies milk, gluten and soy and warns about laxative effects from excessive consumption; check the pack’s full ingredients and nutrition panel.
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Grenade Soft Core Double Chocolate, 12 × 50g
Consider this Double Chocolate pack if you want a 50g bar for a coffee break and will assess fat content on its own label. The product information identifies milk and soy and carries a warning about excessive consumption of sweeteners.
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Grenade Soft Core Golden Caramel, 12 × 50g
This Golden Caramel variant offers a 50g bar for a coffee-break portion; compare its fat-per-100g figure with other flavours rather than assuming they match. The product information identifies milk and soy and warns about laxative effects from excessive consumption.
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Grenade Soft Core Peanut Butter, 12 × 50g
Choose this 50g Peanut Butter variant by its own flavour and label, not by the nutrition figures of another Soft Core bar. Its product information identifies milk, soy and peanut and includes a warning about excessive consumption of sweeteners.
Common questions
Does “Lean” tell me a protein bar’s fat content?
No. Read the total-fat figure for the exact bar: Myprotein UK lists 8.6g per 100g for the documented Lean Layered variant. Compare that figure with another bar’s per-100g label, then check the amount in one serving.
Should I compare fat per bar or per 100g?
Use both. Fat per 100g lets you compare different-sized bars on the same basis; fat per bar tells you the amount in the portion you plan to have with coffee. Check protein and calories for that same portion.
Can I rely on another flavour’s allergen information?
No. Check the ingredients and cross-contact statement for the exact flavour and pack before eating it. The documented bars have differing information about milk, soy, cereals containing gluten, peanuts and nuts.
Why do some bars carry a laxative-effect warning?
Some bars containing sweeteners warn that excessive consumption may cause laxative effects. Read and follow the warning on the bar you carry, particularly if you plan to take several.
How should I store a bar in my commuter bag?
Follow its pack instructions. The documented Myprotein bars instruct buyers to store them in a cool, dry place away from direct sunlight, which is worth checking when carrying a bar in a warm bag.