Best Protein Bars at Coles - Ranked 2026
Doing a Coles shop? We scored the full protein bar range so you know exactly which ones to grab and which to leave. The cheap ones win more often.
69 products ranked. Updated 2026-06-13.
Overview
Quest absolutely owns the top of our protein bar rankings, with the Quest Protein Bar S'mores claiming the crown. It delivers a massive 35g of protein per 100g and keeps sugar low at just 1.1g per 100g. The entire top three is a Quest lockout, showing a real gap between their formulation and the rest of the field you'll find at Coles and Woolworths. Here's the trade-off, though. The S'mores bar comes with six additives, which is enough for us to pause. If a cleaner label is your priority, our advice is to skip it. The cleanest bar we scored is the Atkins Endulge Bar Dark Chocolate, but it's a different beast entirely, with only 4.9g of protein per 100g. For a better balance, Quest's own Choc Chip Cookie Dough variant has one less additive and still packs 21g of protein per serve. This highlights the main choice you face in the aisle. The highest-protein bars often lean on sugar alcohols and a longer ingredient list to keep sugars down, while simpler bars can be loaded with sugar. For a genuine protein hit that navigates this compromise well, the Quest Protein Bar Choc Chip Cookie Dough is the one to grab first.
The verdict
On the numbers, Quest Protein Bar S'mores leads the list, delivering 35g protein per 100g and just 1.1g sugar per 100g. It's a strong protein-to-sugar ratio that few others can match. However, with 6 additives on the label, we say skip it. For a much cleaner ingredient panel, the BC Snacks High Protein Bar Dark Chocolate Almond is the smarter pick, landing high on our rankings with only three additives. If your only goal is maximum protein density, the BSc High Protein Bar Salted Caramel lineup is where you look, topping the entire category at 52.7g protein per 100g. It's built for a serious protein target. For most people after a balanced post-gym refuel or desk snack, the cleaner profile of the BC Snacks bar makes it the more sensible choice to grab from the shelf.
Rankings
- #1. Quest Protein Bar Choc Chip Cookie Dough - Protein Score 10.0/10 · Clean Score 8.3/10 · 21g/serve
The Quest S'mores bar earns its Protein Score of 10.0/10 by putting up massive numbers. It delivers 21g of protein per serve from a whey isolate base, all while keeping sugar down to just 1.1g per 100g. On protein density alone, it's the clear leader in this category, making it a go-to for a serious post-gym refuel. The trade-off for those numbers is a lengthy additive list. With six additives on the label, this isn't a clean bar. For anyone prioritising simpler ingredients or managing sensitivities, we'd say skip it and check our rankings for an alternative with a better Clean Score. This bar is built for hitting macros, not for a short ingredient list.
- #2. BC Snacks Energy Bar Chocolate Brownie Espresso - Protein Score 10.0/10 · Clean Score 8.5/10 · 10.6g/serve
With a Protein Score of 10.0/10, Quest's Choc Chip Cookie Dough flavour sits tied at the top of our rankings, matching our number one pick, the Quest Protein Bar S'mores. You're getting a solid 21g of protein per serve from a 322 kcal per 100g bar, with sugar kept right down to just 1.2g per 100g. On the numbers, it's a near-flawless performance. The Clean Score of 8.3/10 is strong, reflecting a list of five additives. While it's not the absolute cleanest bar we've analysed, it's a very profile for a product delivering this much protein. For a classic flavour with elite nutritionals, this is one of the best protein bars you can grab at the supermarket.
- #3. BC Snacks High Protein Bar Dark Chocolate Almond - Protein Score 10.0/10 · Clean Score 8.8/10 · 11.4g/serve
With a Protein Score of 10.0/10, the Quest Protein Bar Caramel Chocolate Chunk earns its place tied at the top of our rankings. It gets there with a very strong 20g of protein per serve and just 1.4g of sugar per 100g, putting it right alongside the leanest protein bars we've scored. At only 299 kcal per 100g, it delivers its protein without a massive calorie hit. The formula is also reasonably clean, earning a Clean Score of 8.0/10 with five additives on the label. While it doesn't quite match the cleanest bars in the category, like the Atkins Endulge Bar Dark Chocolate, it avoids the lengthy additive lists we see elsewhere. For a high-protein, ultra-low-sugar bar you can grab at the supermarket, this is a standout.
- #4. BC Snacks Snacks Crunch High Protein Bar Choc Mint - Protein Score 10.0/10 · Clean Score 8.7/10 · 11.3g/serve
- #5. BC Snacks High Protein Bar 4 Pack Chocolate Brownie Crunch - Protein Score 10.0/10 · Clean Score 8.6/10 · 10.9g/serve
- #6. BC Snacks High Protein Bar Salted Caramel Fudge - Protein Score 10.0/10 · Clean Score 8.5/10 · 11g/serve
- #7. BC Snacks High Protein Bar Raspberry Truffle Flavoured - Protein Score 10.0/10 · Clean Score 8.5/10 · 10.8g/serve
- #8. BC Snacks High Protein Bar Chocolate Brownie Crunch - Protein Score 10.0/10 · Clean Score 8.6/10 · 10.9g/serve
- #9. BC Snacks High Protein Bar White Chocolate Raspberry - Protein Score 10.0/10 · Clean Score 8.7/10 · 11g/serve
- #10. Quest Protein Bar Cookies & Cream | 60g - Protein Score 10.0/10 · Clean Score 7.8/10 · 21g/serve
- #11. Quest Protein Bar Caramel Chocolate Chunk - Protein Score 10.0/10 · Clean Score 8.0/10 · 20g/serve
- #12. Quest Protein Bar S'mores - Protein Score 10.0/10 · Clean Score 8.0/10 · 21g/serve
- #13. Muscle Nation Crisp Protein Bar Choc Brownie - Protein Score 9.5/10 · Clean Score 7.4/10 · 20.4g/serve
- #14. BSc Soft Protein Bar Banana Chocolate - Protein Score 9.4/10 · Clean Score 6.6/10 · 16.2g/serve
- #15. BC Snacks High Protein Bar White Chocolate Salted Caramel - Protein Score 9.3/10 · Clean Score 6.7/10 · 11.5g/serve
- #16. Muscle Nation Custard Protein Bar Choc Fudge Brownie - Protein Score 9.3/10 · Clean Score 6.3/10 · 17.4g/serve
- #17. BSc High Protein Low Carb Bar Salted Caramel - Protein Score 9.3/10 · Clean Score 6.3/10 · 18.5g/serve
- #18. BSc High Protein Low Carb Bar Cookies & Cream - Protein Score 9.3/10 · Clean Score 6.5/10 · 19.2g/serve
- #19. BSc High Protein Low Carb Bar Choc Mint - Protein Score 9.3/10 · Clean Score 6.5/10 · 18.6g/serve
- #20. BSc High Protein Low Carb Bar Cookie Dough - Protein Score 9.3/10 · Clean Score 6.4/10 · 19.2g/serve
Editorial deep dive
The protein bar aisle is a minefield. On one side, you have bars that are basically chocolate bars with a sprinkle of protein. On the other, you have ultra-dense options that deliver on the numbers but can be a challenge on the ingredient list. The best way to sort them is to look past the front-of-pack claims and check the protein per 100g against the sugar and additive count. On paper, the Quest Protein Bar S'mores leads the category with a Protein Score of 10.0. It packs a solid 35g of protein per 100g and keeps sugar low at just 1.1g per 100g. But here's the trade-off we see so often at the top of the rankings: its ingredient list features six additives. For us, that's a red flag. If you're looking for a cleaner label, skip it. A better pick is the BC Snacks High Protein Bar Dark Chocolate Almond, which still offers 28.5g of protein per 100g with only three additives. If pure protein density is your only goal, the BSc High Protein Bar lineup is where you should look. Their Salted Caramel flavour leads the entire category on this metric, with 52.7g of protein per 100g. These are serious protein bars, designed for a post-gym refuel rather than a casual desk snack. They achieve this while keeping sugars low, often using sugar alcohols like maltitol, which is something to be aware of if you have a sensitive stomach. Many of the top-performing bars you'll find at Coles and Woolworths rely on whey and soy protein blends, often with added collagen. This is a world away from some of the more food-based bars that use nuts and seeds as their primary structure, which tend to have higher sugar and lower protein. It all comes down to what you need the bar for: a quick 10g top-up, or a substantial 20g+ hit to support recovery. So, while the numbers point directly to the Quest Protein Bar S'mores, its additive load makes it a tough recommendation. We'd suggest reaching for the BC Snacks High Protein Bar Dark Chocolate Almond instead. It finds a much better balance between a strong protein serve and a simpler, cleaner ingredient list, making it our pick for a smarter grab-and-go option.
Brand-by-brand notes
Quest
Born in the US and now part of the Simply Good Foods portfolio, Quest built its name on aggressive macro targets long before that became the industry standard. Today, the 4 protein bars we track in their Australian lineup are easy to grab during a standard Coles or Woolworths supermarket run. They focus entirely on thick, chewy textures that rely heavily on dietary fibre to keep the net carb count down. The numbers here are remarkably consistent, with the brand averaging 34.5g of protein and a tiny 1.4g of sugar per 100g. The clear winner is Quest Protein Bar S'mores, which earns a Protein Score of 10.It delivers 35g of protein per 100g and ties for the lowest sugar on this list at just 1.1g per 100g, setting a high bar for the rest of the shelf. If you want maximum protein density from the supermarket aisle, the S'mores flavour easily justifies its spot in your basket. However, hitting those single-digit sugar figures requires a heavy sweetener stack, with erythritol, sucralose, and steviol glycosides doing the heavy lifting across the range. Shoppers who tolerate artificial sweeteners well will love the macros, but anyone chasing a clean ingredient list will want to skip it.
BC Snacks
BC Snacks keeps things straightforward in the snack aisle, offering functional grabs when you are doing your weekly shop at Coles, Woolworths or Aldi. We score 10 protein bars from their current lineup, and they rely heavily on familiar dessert profiles rather than complex multi-layered textures. While some brands push exclusively into specialty sports retail, this entire range is built for the everyday grocery run. Across the board, the brand averages 26.4g of protein and 5.8g of sugar per 100g. If you want their sharpest option, the BC Snacks High Protein Bar Dark Chocolate Almond delivers 28.5g of protein and just 2.2g of sugar per 100g. That specific bar actually ties for first place in our index alongside the overall category leader, Quest Protein Bar S'mores, which earns a Protein Score of 10.0. Conversely, we suggest skipping the BC Snacks Plant Protein Bar Dark Choc Coconut, as it drops to a mild 16.1g of protein while dragging 21.4g of sugar per 100g into the mix. For anyone needing a quick macro top-up during a standard supermarket trip, the dairy-based BC Snacks options do the job well. The plant-based bars in their catalogue simply carry too much sugar to justify the lower protein yield. Stick to their standout almond or salted caramel fudge flavours to keep your numbers strictly aligned, and leave the plant-based coconut option in the box.
BSc
Body Science, universally known as BSc, is a veteran of the Australian sports nutrition scene. Across the 16 protein bars we've scored for them, they offer everything from soft-centred treats to low-carb staples. You won't need to hunt online for these, as all 16 protein bars we cover here are stocked in major Australian supermarkets like Coles and Woolworths. On the numbers, the BSc lineup averages 35.1g of protein and 3.7g of sugar per 100g. Our standout from their range is the BSc Soft Protein Bar Banana Chocolate, carrying 29.4g of protein and 3.9g of sugar per 100g. Strangely, the BSc High Protein Bar Salted Caramel flags as their weakest entry in our index, despite leading the entire category for protein density at 52.7g per 100g alongside just 1.9g of sugar per 100g. If you are walking the aisles at Coles or Woolies, this brand provides a highly accessible protein hit. Grab the soft variants if you prefer a modern texture, but check the labels if you actively avoid artificial sweeteners. For shoppers chasing the absolute lowest sugar overall, you might leave these on the shelf and grab our top pick, Quest Protein Bar S'mores.1g of sugar per 100g.
Muscle Nation
Muscle Nation cut its teeth in Australian sports apparel and performance supplements before making a massive push into the supermarket aisle. Today, you can grab their full lineup of 11 protein bars during a standard grocery run at Coles or Woolworths. They lean heavily into dessert-style flavours and layered textures, positioning themselves as a treat-style functional snack rather than a traditional dense protein brick. On the numbers, the range averages 27.1g of protein and 6.9g of sugar per 100g. The standout is the Muscle Nation Crisp Protein Bar Choc Brownie, delivering 34.1g of protein per 100g and 3g of sugar per 100g for a much better macro profile. On the flip side, the Muscle Nation Cheesecake Protein Bar Zesty Lemon drops to 24.2g of protein per 100g and spikes to 10.3g of sugar per 100g, making it one of the weaker options on the shelf. If you want a sweet fix from the supermarket, the Crisp line is the one to throw in your basket while leaving the Cheesecake range behind. However, if you are strictly chasing top macros, this brand gets outclassed by the category leader. Shoppers looking for the absolute best numbers should grab the Quest Protein Bar S'mores, which earns a Protein Score of 10 and leads the pack with a much leaner profile.
Noshu
Noshu built its reputation in the baking aisle by dropping the sugar, and they bring that same ethos to protein bars. We score exactly two of their bars, and both are easy to grab on a standard supermarket run at Coles or Woolworths. Shoppers generally pick them up for a sweeter treat, though their macro profile is noticeably lighter than the dedicated sports brands. Across the two bars we track, Noshu averages 21.9g of protein per 100g and 8.6g of sugar per 100g. Noshu Protein Bars Mango & Cream is the standout here, delivering 20g of protein per 100g and 10.6g of sugar per 100g. The weakest performer on our metrics is Noshu Protein+ Fibre Pro Bars Choc Malt, offering 23.7g of protein per 100g and 6.6g of sugar per 100g. Neither bar threatens the top. By comparison, our category leader, Quest Protein Bar S'mores, dominates with a Protein Score 10 and just 1.1g of sugar per 100g. If you are walking the Coles or Woolies aisles and want a fruity snack, the Mango & Cream option offers a welcome break from the usual chocolate blocks. If you actually need to hit high macro targets, skip this range entirely. The protein density is too low to compete, making Noshu better suited for a casual afternoon craving than a serious post-gym refuel.
Atkins
Atkins built its name on the low-carb diet trend of the early 2000s, but against modern sports nutrition brands, their macros look light. You will easily spot all 3 protein bars we cover here sitting in the health food aisle at Coles and Woolworths. They lean hard on sugar alcohols to keep the carbohydrates down, rather than adding genuine muscle-building ingredients. Across the lineup, the brand averages just 11.0g of protein per 100g and 2.5g of sugar per 100g. The Atkins Endulge Bar Chocolate & Coconut is their standout, though it still only offers a modest 13g of protein per 100g alongside 3.2g of sugar per 100g. At the absolute bottom of the pile for muscle recovery is the Atkins Endulge Bar Dark Chocolate, dropping to 4.9g of protein per 100g and 1.5g of sugar per 100g, though it ironically earns the title of our cleanest pick with a Clean Score of 9.1. If you are strictly chasing a low-sugar bar on your supermarket run, these might scratch an itch, but serious lifters look for much better options. We recommend skipping the Atkins range if you actually want to hit your daily macro targets. Instead, reach for the category leader, Quest Protein Bar S'mores, which earns a Protein Score of 10 and delivers far better density for your recovery.
Musashi
Musashi brings decades of history to the Australian sports nutrition scene, operating long before the modern protein bar craze hit the shelves. Frame your buying around a standard grocery run, as all 7 protein bars we cover here are stocked in major Australian supermarkets like Coles and Woolworths. They target the traditional training crowd rather than the casual morning snacker. Across the 7 protein bars we screened, the range averages 31.3g of protein per 100g and 9.3g of sugar per 100g. The standout on the numbers is the Musashi Protein Crisp Choc Brownie, delivering 34g of protein per 100g and 6.3g of sugar per 100g. On the flip side, the Musashi Protein Wafer Bar White Chocolate drags the chain, dropping to 25g of protein per 100g while pushing the sugar up to 11.7g per 100g. If you are tossing a Musashi product into your supermarket basket, the Crisp line is the one to grab while you skip the wafer options. However, if you want the absolute best numbers in the category, Quest Protein Bar S'mores takes the crown with a Protein Score of 10 and just 1.1g of sugar per 100g. Musashi offers a reliable refuel, but you can find leaner profiles if you check the labels carefully.
Carman's
Carman's is an Australian breakfast and snack brand that has heavily pivoted into the protein space, lining the shelves of Coles, Woolworths, and Aldi. Rather than hardcore sports nutrition, they aim for the everyday shopper looking to bump up their macros during a regular supermarket trip. Across the 13 protein bars we score from their range, the focus is clearly on nuts, seeds, and familiar muesli-style formats rather than dense nougat. On the numbers, this lineup leans very sweet. The brand averages 27.3g of protein per 100g, paired with a high 19.9g of sugar per 100g. The Carman's Plant Protein Bar Raspberry Pistachio is their standout, delivering 24.5g of protein per 100g alongside 11.7g of sugar per 100g. For context, the category leader, Quest Protein Bar S'mores, earns a Protein Score of 10 and strips sugar right back to 1.1g per 100g. If you want a traditional nut-and-seed snack with a protein bump, Carman's delivers a familiar texture you can easily grab during your weekly grocery run. However, if you are strictly tracking macros, the sugar load here makes most of these bars function more like standard treats than lean sports supplements.
Go Natural
Go Natural pitches itself to the everyday shopper rather than the heavy lifter, stocking its range right across the major Australian supermarkets. You will easily spot these on a standard grocery run at Coles or Woolworths. We track exactly 3 protein bars from the brand in our index, and they lean heavily into nuts and seeds rather than the dense whey blends you see elsewhere in the aisle. On the numbers, this lineup struggles to compete with the heavy hitters in the category. The 3 bars average just 8.1g of protein per 100g, alongside a very steep 36.3g of sugar per 100g. The Go Natural Choc Salted Caramel Bar is the standout here, offering 12.3g of protein per 100g and 29.3g of sugar per 100g. At the other end, the Go Natural Macadamia Dream Bar drops to a minimal 4.9g of protein per 100g while pushing 39.1g of sugar per 100g. For context, the category leader, Quest Protein Bar S'mores, delivers 35g of protein per 100g with only 1.1g of sugar per 100g. If you are tossing these into your trolley during a weekly supermarket trip, treat them as a casual sweet treat rather than a functional training tool. The protein yields are simply too low and the sugar loads too high to serve as a genuine recovery option. We suggest skipping the Go Natural range if you want meaningful macros and grabbing a true high-protein alternative from the shelf instead.
Frequently asked questions
- What is the best protein bar in Australia 2026?
- The top-ranked protein bar in Australia is the Quest Protein Bar S'mores, which earns a perfect Protein Score of 10.0. It leads our 2026 analysis by combining a strong 35g of protein per 100g with the lowest sugar content in the entire category, at just 1.1g per 100g. While the competition is tight at the top, with several other Quest and BC Snacks bars also scoring a 10.0, the S'mores flavour wins on tie-breakers, making it our number one pick.
- Is Quest a good protein bar brand?
- We don't give nutritional advice, but the data shows Quest is brand in the Australian market for 2026. Quest products consistently rank at the top of our index, with the Quest Protein Bar S'mores achieving a perfect Protein Score of 10.0. The brand's strength is its formula, which delivers high protein (around 35g per 100g) while keeping sugar low across the range, often just over 1g per 100g. On the numbers, it's one of the strongest and most consistent brands we score.
- Is BSc a good protein bar brand?
- We can't say if it's good for you specifically, but on the numbers, BSc (Body Science) is a dominant brand for anyone chasing maximum protein. Their BSc High Protein Bar Salted Caramel leads the entire category for protein density, packing an enormous 52.7g of protein per 100g. While their overall Protein Scores are slightly behind the leaders due to other formulation factors, no other brand consistently delivers that level of protein. If your goal is pure protein content above all else, BSc is a standout choice.
- Quest vs BSc protein bars: which is better?
- When comparing Quest and BSc, the better choice depends entirely on your goal. Quest wins on the overall balance of macros, securing the top spot with its Quest Protein Bar S'mores (Protein Score of 10.0) thanks to very low sugar at 1.1g per 100g. However, BSc is the undisputed leader for raw protein density, with its High Protein Bar Salted Caramel delivering a massive 52.7g of protein per 100g, far more than Quest's 35g. Pick Quest for the best all-round score and minimal sugar; go for BSc if you just want the most protein possible.
- What is the best protein bar for weight loss?
- We don't give weight loss advice, but the numbers show that a protein bar high in protein and low in sugar can support those goals. The Quest Protein Bar S'mores is a standout, with the lowest sugar in the category at just 1.1g per 100g and a strong 35g of protein per 100g to help with satiety. Its top-ranking Protein Score of 10.0 reflects this excellent nutritional profile, making it choice for those closely tracking their macros.
- How much protein is in a Musashi High Protein Bar?
- The Musashi High Protein Bar in White Choc Caramel flavour contains 48.9g of protein per 100g. This is a significant amount, placing it among the most protein-dense bars in our analysis of 74 products. While it doesn't quite catch the category-leading BSc bars, it delivers substantially more protein than many other popular brands on the shelf, making it a very effective option for hitting high protein targets.
- How does ProteinScore rank protein bars?
- We rank protein bars using two main metrics: Protein Score and Clean Score. Our Protein Score is a 0-10 rating that assesses a bar's nutritional quality, primarily driven by its protein density (grams of protein per 100g) and its leanness (low sugar and low saturated fat). The Clean Score measures how processed a bar is, penalising for a high number of additives like artificial sweeteners, gums, and emulsifiers. We combine these scores to find the protein bars that deliver strong macros with cleaner ingredient lists.
- What is the highest protein, lowest sugar protein bar?
- While no single bar holds both titles, the BSc High Protein Bar Cookies & Cream comes close to being the best of both worlds. It packs a massive 52.4g of protein per 100g, just shy of the category best, while keeping sugar to low 1.2g per 100g. For comparison, the lowest-sugar bar, Quest Protein Bar S'mores, has 1.1g of sugar per 100g but a lower protein content of 35g per 100g. For the ultimate combination of maximum protein and minimal sugar, the BSc bar is the clear standout on the data.