Best Protein Bars, Ranked by Labelgrade
The protein bar aisle is the most marketing-saturated shelf in the store — every bar claims to be the clean, high-protein choice, and most aren't. We rank every bar in our database by Labelgrade, which weighs protein, added sugar, and ingredient quality together, so the bars that are actually built well rise above the candy bars wearing a protein costume.
The ranked list
1. Barebells — Caramel Cashew Protein Bar
B+ Labelgrade 83/100 · 20 g protein · 36.4 g/100g · 1 g sugar · 200 cal
Barebells Caramel Cashew: 20g protein for 200 calories per 55g bar, 1g sugar, maltitol + sucralose. Labelgrade B+ (83/100). The candy-bar-style bar vs Quest, plus the full 6-dimension breakdown.
2. Quest — Chocolate Chip Cookie Dough Protein Bar
B+ Labelgrade 83/100 · 21 g protein · 35 g/100g · 1 g sugar · 200 cal
Quest Cookie Dough bar: 21g protein, 14g fiber, 1g sugar per 60g bar (200 cal). Labelgrade B+ (83/100) — the bar every other protein bar is measured against.
3. Aloha — Chocolate Chip Cookie Dough Plant-Based Protein Bar
B+ Labelgrade 83/100 · 14 g protein · 25 g/100g · 5 g sugar · 240 cal
Aloha Cookie Dough bar: 14g organic plant protein, 10g fiber per 56g bar, no sugar alcohols or stevia. Labelgrade B+ (83/100). How it stacks up vs Quest.
4. Pure Protein — Chocolate Deluxe Bar
B+ Labelgrade 81/100 · 21 g protein · 42 g/100g · 3 g sugar · 180 cal
Pure Protein Chocolate Deluxe: 21g protein for 180 calories per 50g bar, Labelgrade B+ (81/100). The protein-per-dollar bar — Quest-level macros, maltitol-sweetened, usually ~half the price.
5. Think! — Brownie Crunch High Protein Bar, Brownie Crunch
B Labelgrade 78/100 · 20 g protein · 33.3 g/100g · 0 g sugar · 230 cal
think! Brownie Crunch High Protein Bar: 20g protein, 0g sugar, 230 calories per bar — sweetened with maltitol, not stevia or sucralose. Labelgrade B (78/100), with the full 6-dimension breakdown.
6. RXBAR — Chocolate Chip Protein Bar
B Labelgrade 77/100 · 12 g protein · 23.1 g/100g · 13 g sugar · 220 cal
RXBAR Chocolate Chip: 12g protein, 220 calories, 7 whole-food ingredients (dates, egg whites, almonds, cashews), no added sugar. Labelgrade B (77/100). The date-sugar trade-off explained.
7. Built — Coconut Puff Protein Bar
B Labelgrade 75/100 · 17 g protein · 42.5 g/100g · 7 g sugar · 140 cal
Built Coconut Puff: 17g protein, 140 cal — Labelgrade B (75/100). The marshmallow-puff texture, the collagen+whey blend, and why it's only 6g sugar.
8. EAS — Pure Milk Protein Bar Chocolate Chip Cookie Dough
B Labelgrade 75/100 · 15 g protein · 30 g/100g · 9 g sugar · 190 cal
EAS Pure Milk Protein Bar Cookie Dough: 15g protein for 190 cal per 50g bar, no artificial sweeteners. 9g added sugar, 4g fiber. Labelgrade B (75/100).
9. EAS — AdvantEdge Pure Milk Protein Bar, Chocolate Chip Cookie Dough
B Labelgrade 75/100 · 15 g protein · 30 g/100g · 9 g sugar · 190 cal
EAS Pure Milk Protein Bar (Cookie Dough): 15g protein per bar, Labelgrade B (75/100). Dense dairy protein, but real added sugar from 3 syrups. 5-bar value box.
10. GoMacro — Peanut Butter Chocolate Chip MacroBar
B Labelgrade 75/100 · 11 g protein · 15.9 g/100g · 14 g sugar · 290 cal
GoMacro PB Chocolate Chip MacroBar: 11g plant protein per 69g bar, 290 cal, Labelgrade B (75/100). 6 organic whole-food ingredients, no isolates or sugar alcohols — but brown rice syrup pushes sugar to 14g.
11. KIND — Crunchy Peanut Butter Protein Bar
B- Labelgrade 74/100 · 12 g protein · 24 g/100g · 8 g sugar · 250 cal
KIND Crunchy Peanut Butter Protein Bar: 12g protein, 5g fiber, no artificial sweeteners, 250 cal per 50g bar. Labelgrade B- (74/100). Why peanuts come first.
12. Pure Protein — Birthday Cake Bar
B- Labelgrade 73/100 · 20 g protein · 40 g/100g · 3 g sugar · 200 cal
Pure Protein Birthday Cake: 20g protein, 3g sugar per 50g bar (200 cal). Labelgrade B- (73/100) — cheapest protein-per-bar here, but maltitol-sweetened with 6 dyes.
13. Vega — Sport Protein Bar, Chocolate Coconut
B- Labelgrade 72/100 · 15 g protein · 25 g/100g · 19 g sugar · 250 cal
Vega Sport Chocolate Coconut: 15g vegan protein per 60g bar, Labelgrade B- (72/100). Real rice+pea protein, but 19g sugar (cane sugar + 3 syrups) grades F.
14. Premier Protein — Chocolate Peanut Butter High Protein Bar
B- Labelgrade 71/100 · 30 g protein · 41.7 g/100g · 8 g sugar · 290 cal
30g protein, 290 cal per bar — Labelgrade B- (71/100). The shake brand's crossover bar: top-tier protein, but 440mg sodium per bar is the catch. Vs Quest & Pure Protein.
15. Premier Protein — High Protein Bar — Dark Chocolate Mint
B- Labelgrade 70/100 · 30 g protein · 41.7 g/100g · 10 g sugar · 280 cal
Premier Protein Dark Chocolate Mint bar: 30g protein for 280 calories per 72g bar (41.7g per 100g). Labelgrade B- (70/100). The mint-chocolate trade-offs, full 6-dimension breakdown, and how it stacks up to RXBAR.
16. Power Crunch — Protein Energy Bar, Mocha Creme
B- Labelgrade 70/100 · 13 g protein · 32.5 g/100g · 5 g sugar · 205 cal
Power Crunch Mocha Creme: 13g protein for 205 calories per 40g wafer bar, hydrolyzed whey, 5g sugar. Labelgrade B- (70/100) — dense protein undone by 6g saturated fat from palm oils.
17. Nature Valley — Nature Valley, Protein Chewy Bars, Peanut Butter, Dark Chocolate, Peanut Butter, Dark Chocolate
C+ Labelgrade 69/100 · 10 g protein · 25 g/100g · 6 g sugar · 190 cal
Nature Valley Protein Chewy Bar (PB Dark Chocolate): 10g protein, 190 cal per bar. Labelgrade C+ (69/100). Why it scores lower than Quest, and what it's genuinely good for.
18. Gatorade — Recover Whey Protein Bar Chocolate Chip 2.8 Ounce Plastic Bag
C- Labelgrade 57/100 · 20.4 g protein · 25.5 g/100g · 28.9 g sugar · 361 cal
Gatorade Recover Whey Protein Bar (Chocolate Chip): 20.4g protein but 361 calories and 28.9g sugar per bar — a post-workout refuel, not a lean snack. Labelgrade C- (57/100), full 6-dimension breakdown.
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How we picked these
Bars with at least 10 g of protein — this floor screens out granola and energy bars that are mostly oats and sugar. Sorted by Labelgrade, then protein per bar. All nutrition is verified against USDA FoodData Central; the Labelgrade is our 6-dimension score (see methodology). Last refreshed 2026-06-03.
Frequently Asked Questions
What makes a protein bar score well?
High protein (15–20 g), low added sugar, a reasonable ingredient list, and fiber. The bars that score poorly tend to carry 12–20 g of sugar (they're candy), rely heavily on sugar alcohols like maltitol that cause GI distress, or pad protein with low-quality fillers. A great bar delivers 20 g of protein with under 5 g of sugar and ingredients you can pronounce.
Are protein bars a meal replacement?
Better as a snack or a protein top-up than a full meal. The best bars are a clean 200-calorie, 20-gram-protein bridge between meals. Relying on them for most of your nutrition means a lot of isolates, fibers, and sweeteners and not much whole food. Keep them to 1–2 a day.
What about sugar alcohols and "net carbs"?
Many bars compute a low "net carb" number by subtracting sugar alcohols. Erythritol is well tolerated and near-zero glycemic; maltitol is not — it has a real glycemic impact and famously causes bloating at bar doses. Our grade doesn't reward aggressive sugar-alcohol math, so bars leaning on maltitol don't get an artificial boost. For the strict low-carb angle, see our keto bar list.