Best 100 Calorie Protein Bars
Looking for a guilt-free snack that packs a protein punch without tipping the calorie scale? Dive into our curated list of the best 100-calorie protein bars, where every bite promises a perfect blend of flavor and fitness. Whether you're on the go or craving a quick boost, these bars combine convenience with nutritional excellence in a compact, satisfying package.
Most Wallet-Friendly: Protein One
| Highlights |
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| Good protein content |
| Keto friendly |
| High fiber source |
As the most wallet-friendly option in our lineup, these 90-calorie bars deliver 10g of protein per serving, making them a solid choice for your daily snack routine.
The keto-friendly profile with only 1g sugar and 2g net carbs is a win for low-carb enthusiasts.
Plus, each bar packs in 6g of fiber, supporting digestion and satiety.
While the taste and texture might not win awards—being a tad hard and dense—these bars are perfect for those in need of a quick, affordable protein boost on the go.
Be sure to also check out the best nut-free protein bars for more options! Also, here is the price history so you know exactly when to buy!
Best for On-the-Go Snacking: Quest Nutrition
| Highlights |
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| Delicious flavor |
| Convenient size |
| Low sugar content |
These Quest mini protein bars are perfect for anyone constantly on the move.
Their mini size makes them easy to stash in your gym bag, purse, or pocket—ready whenever hunger strikes.
Despite their small stature, they pack a satisfying chew and deliver on flavor without the overwhelming sweetness, thanks to just 1 gram or less of sugar.
The bars offer a solid 8 grams of protein and fiber to keep you fueled.
Yes, they can be a tad sticky and sometimes a bit hard, but their convenience and delicious taste make them a top pick for on-the-go snacking.
Be sure to also check out the best taste protein bar for more options! Also, here is the price history so you know exactly when to buy!
Best for Keto Diets: WonderSlim Protein & Fiber Bar
| Highlights |
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| High protein content |
| Guilt-free indulgence |
| Keto-friendly options |
These Wonderslim Protein & Fiber Bars are a delicious guilt-free treat that packs a punch with 15g of protein and just 6-8g of fiber, helping you stay full longer.
While the taste is slightly off for some palates, the low carb and keto-friendly options make this a smart choice for those on a low-carb journey.
The bars are convenient for busy days and are a trusted brand known for quality.
Although the flavor variety could be broader and the calories a tad higher, they’re a reliable, on-the-go snack for fueling your wellness goals.
Be sure to also check out the best gluten free protein bars for more options! Also, here is the price history so you know exactly when to buy!
Best for Fiber Boost: IQBAR
| Highlights |
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| Great taste and texture |
| Low sugar, high protein |
| Vegan and keto friendly |
IQBAR's low carb bars stand out as the best for fiber boost with an impressive 6g of fiber per bar, supporting your digestive health without sacrificing taste.
The texture is pleasantly chewy, and the flavor options, like their Peanut Butter Chip, feel indulgent yet guilt-free.
Although it comes at a higher price point and uses palm oil, the organic ingredients, combined with high protein (12g) and keto-friendly ingredients, make it a top contender.
Perfect for a quick, nourishing snack that fuels both your brain and body on busy days.
Be sure to also check out the best deal on protein bars for more options! Also, here is the price history so you know exactly when to buy!
Think! Minis Protein Bar
| Highlights |
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| Delicious cupcake flavor |
| High protein content |
| Low calorie count |
The Cupcake Batter protein bar delivers a surprisingly creamy vanilla cupcake flavor that satisfies sweet cravings without the guilt. With 6g of protein and just 100 calories, it’s a great pick for a quick fuel-up or snack on the go.
However, keep in mind it’s on the smaller side, so it may not feel filling for everyone.
Some testers found the taste somewhat average, and a few didn't love the flavor profile.
Nonetheless, if you want a deliciously indulgent mini bar that keeps your calorie count in check, this is a solid choice.
Be sure to also check out the best electric protein shaker for more options! Also, here is the price history so you know exactly when to buy!
think! Protein Bars
| Highlights |
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| High protein content |
| No artificial sweeteners |
| Supports muscle recovery |
With an impressive 20 grams of protein, these bars are highly versatile—perfect as a quick energy boost or even a meal replacement when paired with fruit.
We love that they contain 0 grams of sugar and no artificial sweeteners, making them a great choice for those mindful of their intake or following a low GI diet.
The ingredients are all natural, avoiding artificial colors and flavors, which speaks to quality.
While the texture and taste might not blow everyone away, the functional benefits—supporting lean muscle and recovery—make these a solid go-to snack for fitness enthusiasts.
Be sure to also check out the best selling protein bar for more options! Also, here is the price history so you know exactly when to buy!
RXBAR Minis 100 Calorie Protein Bars
| Highlights |
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| Simple ingredients |
| Great flavor variety |
| Protein boost |
These RXBAR Minis pack a punch with 6g of protein per bar, making them a prime choice for a quick pick-me-up.
The variety pack offers a nice mix of Chocolate Sea Salt, Peanut Butter Chocolate, Blueberry, and Strawberry, catering to different flavor cravings. Their soft yet crispy texture makes them enjoyable, though some might find them a bit chewy.
Plus, made with simple, wholesome ingredients, they appeal to health-conscious snackers.
The only drawbacks are a limited flavor lineup and no separate packaging for the strawberry flavor, but overall, these bars deliver on taste and nutrition in a small, convenient package.
Be sure to also check out the best low fodmap protein bars for more options! Also, here is the price history so you know exactly when to buy!
KIND
| Highlights |
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| Healthy, low sugar |
| Delicious taste |
| Nice snack size |
These KIND Thins Bars are a fantastic quick snack, perfect for those who want a guilt-free treat without sacrificing flavor.
With their chewy crunch from heart-healthy sliced almonds and a variety of flavor options like Dark Chocolate Nuts & Sea Salt and Caramel Nuts & Sea Salt, they deliver deliciousness in a compact size.
Plus, they pack only 100 calories with minimal sugar, making them a smart choice for weight management.
While the portions are small and the options limited, their high-quality ingredients and satisfying taste make them a go-to snack for us on the move.
Be sure to also check out the best non dairy protein shakes for more options! Also, here is the price history so you know exactly when to buy!
Quest Nutrition Varietal Bars
| Highlights |
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| High protein content |
| Low in carbs and sugar |
| Delicious variety flavors |
The Quest Ultimate Protein Bars Variety Pack offers a winning mix of flavors and nutritional benefits.
With 20-21g of high-quality dairy protein per bar, they’re perfect for a quick, satisfying snack.
The low carbs and sugar content make it easy to stay on track with your weight management goals.
Plus, the variety pack ensures there's something for every taste — from classic chocolate to more unique options.
While some flavors might be a bit drier, the overall quality and taste make these bars a convenient, delicious choice for busy days.
Be sure to also check out the best sugar-free protein powder for more options! Also, here is the price history so you know exactly when to buy!
KIND Thin Bars 100 Calorie Protein Bars
| Highlights |
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| Low calorie (100 kcal) |
| Great taste |
| Gluten-free friendly |
These bars are a perfect on-the-go snack with only 100 calories each, making them ideal for calorie-conscious folks.
Despite their small size, they pack a delightful flavor punch that keeps us satisfied without overdoing it.
We love that they avoid hydrogenated fats, high fructose corn syrup, bleached flour, and synthetic nitrates, aligning with clean eating habits.
Plus, they are gluten-free friendly.
The downside?
The limited flavor lineup might get monotonous, and the higher price per bar means they might be less wallet-friendly for frequent snackers.
Still, their great taste and quality make them a solid choice for a quick protein boost.
Be sure to also check out the best cinnamon protein powder for more options! Also, here is the price history so you know exactly when to buy!
Simply Protein Bars
| Highlights |
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| Plant-based protein |
| Peanut-free & safe |
| Low in calories |
These Simply Protein Dipped bars deliver 7g of plant-based protein with only 4g of sugar, making them a satisfying snack without overdoing it.
The chocolate-dipped exterior offers a delightful crunch, and the bars are peanut-free, making them a safe choice for allergy-conscious families.
Plus, they're packed with wholesome ingredients like fruit and veggie extracts, plus essential nutrients like iron, calcium, and potassium.
While a few users mention an occasional stale taste and the smaller size may surprise some, their nutritious, allergen-friendly formula makes them a versatile addition to any snack stash.
Be sure to also check out the best coconut protein powder for more options! Also, here is the price history so you know exactly when to buy!
FULFIL Protein Bars
| Highlights |
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| Delicious flavor variety |
| High protein content |
| Low sugar and carbs |
The FULFIL Chocolate Salted Caramel Snack Protein Bar combines delicious flavor with practical nutrition.
The balance of rich chocolate and salted caramel creates an irresistible treat, perfect for satisfying sweet cravings without the sugar spike.
Each bar provides 15g of protein, making it a great choice to fuel your day or support muscle recovery.
While the chewy texture may not be for everyone, its rich taste and low sugar count make it a smart, tasty option for on-the-go snacking.
Just keep in mind that recent batches have seen some flavor shifts, but overall, it remains a favorite among health-conscious snackers.
Be sure to also check out the best protein bars without soy for more options! Also, here is the price history so you know exactly when to buy!
Fiber One Chewy Bars 100 Calorie Protein Bars
| Highlights |
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| Delicious chocolate peanut butter flavor |
| High fiber content (6g) |
| Convenient grab-and-go size |
These chewy bars deliver a delicious chocolate peanut butter flavor that hits the spot without overindulging.
With 6 grams of fiber per bar, they make you feel smart and satisfied, helping curb cravings while keeping your diet on track.
The convenient size makes them ideal for quick office snacks or a tasty lunchbox addition.
While their calorie count nudges up to 80 from 70, it’s a small trade-off for the hearty oats and satisfying taste.
Overall, a tasty, high-fiber option perfect for anyone seeking a quick, guilt-free treat.
Be sure to also check out the best protein bpi for more options! Also, here is the price history so you know exactly when to buy!
WonderSlim
| Highlights |
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| Delicious, great flavor |
| High protein content |
| Convenient on-the-go |
The flavor is truly delightful, making it easy to satisfy cravings without sacrificing taste.
With a whopping 15g of protein per bar, it keeps us feeling full longer and staves off unnecessary snacking.
Plus, the inclusion of 5g fiber and 20 essential vitamins means you're nourishing your body even in a quick snack.
While the price might be a tad steep for the quantity, the convenience of a pre-packaged, on-the-go option makes it worth it when time is tight.
Overall, a tasty, nourishing choice for busy days!
Be sure to also check out the best legion protein flavor for more options! Also, here is the price history so you know exactly when to buy!
Pure Protein Bars
| Highlights |
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| Great taste, delicious flavors |
| High protein content |
| Low sugar, healthy snack |
The delicious combination of chocolate, peanut, and caramel flavors makes each bite genuinely enjoyable—no bland protein bar here!
With 20 grams of high-quality protein and only 2 grams of sugar, it hits the sweet spot between indulgence and health.
Whether you're heading to the gym or need a quick, satisfying snack, this bar's balanced nutrition keeps you fueled without feeling heavy.
The chewy texture might not be for everyone, and a few folks report mild digestive discomfort, likely due to sugar alcohols, but overall, a tasty, protein-packed option for your busy day.
Be sure to also check out the best boba protein powder for more options! Also, here is the price history so you know exactly when to buy!
Special K Bar 100 Calorie Protein Bars
| Highlights |
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| Delicious dessert-inspired taste |
| Low calorie (100 calories) |
| Convenient snack size |
These pastry crisps deliver a dessert-inspired experience with a delightfully flaky crust, sweet icing drizzle, and a gooey strawberry filling that satisfies cravings without the calorie guilt.
With only 100 calories per pouch, it’s a perfect on-the-go treat for whenever you need a quick boost, whether at work, in the car, or post-workout.
The packaging keeps everything fresh and tasty, and the overall flavor hits just right.
While limited in variety and containing common allergens like wheat, milk, and soy, this snack remains a sweet, convenient favorite for those seeking flavor without the excess calories.
Be sure to also check out the best cricket protein powder for more options! Also, here is the price history so you know exactly when to buy!
Orgain Organic Vegan Protein Bars
| Highlights |
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| Organic, plant-based ingredients |
| Delicious flavor options |
| Satiates hunger effectively |
The Orgain Organic Protein Snack Bars boast clean, plant-based ingredients that align with our health-conscious needs.
Each bar packs 10g of organic protein from a tasty blend of brown rice, pea protein, and chia seeds—delivering maximum nutrition without the grit.
With only 6g of sugar and 150 calories, they strike a perfect balance for a quick snack that actually keeps hunger at bay.
Plus, being USDA Organic, gluten-free, soy-free, dairy-free, and non-GMO, they meet higher standards for quality.
The flavor options are delicious, although they can soften in heat and might cause stomach discomfort for some.
Overall, a wholesome, tasty choice for on-the-go nutrition.
Be sure to also check out the best protein bar low sugar for more options! Also, here is the price history so you know exactly when to buy!
Quest Nutrition Chips
| Highlights |
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| High protein content |
| Great flavor options |
| Baked, not fried |
These Quest Tortilla Style Protein Chips deliver a satisfying crunch with a bold, savory flavor in every bite.
Packed with 18-20g of complete dairy-based protein per serving, they genuinely help curb cravings while fueling your muscles.
The baked, non-fried approach means it's a smarter snack option that doesn’t sacrifice texture or flavor.
Plus, with a variety pack that includes Chili Lime, Nacho Cheese, and Loaded Taco, there's something for everyone.
Sure, they’re a bit pricier and have a slightly chalky texture, but their portability and high protein punch make them a top contender for your snack stash.
Be sure to also check out the best gluten free protein powder for more options! Also, here is the price history so you know exactly when to buy!
