Best High Calorie Protein Bars
Looking to pack a punch with your snack? Dive into our curated list of the best high-calorie protein bars, specially designed for those who crave a rich, satisfying boost without the fuss. Whether you're fueling intense workouts or need a quick, delicious way to meet your goals, these options deliver power-packed calories in every bite.
Top Economical Pick: Nature Valley Protein Granola Bars

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High protein content |
Great for on-the-go |
Delicious flavor variety |
Nature Valley Protein Granola Bars are our top economical pick for those seeking a high-calorie, convenient snack.
With 10 grams of protein per bar and a variety pack of 15, you get a solid balance of flavor and value.
The bars are chewy, satisfying, and come in flavors like Peanut Butter Dark Chocolate and Salted Caramel Nut that blast through cravings.
Plus, their portability makes them perfect for busy days, whether at work, on a hike, or in your lunchbox.
While they do contain added sugars and some artificial ingredients, their affordability makes them a convenient, tasty solution for on-the-go protein needs.
Be sure to also check out the best 100 calorie protein bars for more options! Also, here is the price history so you know exactly when to buy!

Best for Muscle Gains: MUSASHI High Protein Bar

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High protein content |
Great for muscle recovery |
Excellent macros |
The MUSASHI High Protein Bar delivers an industry-leading 45g of protein per bar, making it a powerhouse for muscle gains.
Crafted with scientific precision and athlete approval, it boasts premium ingredients sourced from New Zealand, including high-quality whey protein isolate and naturally occurring BCAAs in a perfect 2:1:1 ratio.
While the texture leans toward gritty and chewy, the macros more than compensate for it, especially if you're focused on maximizing muscle recovery.
Overall, this bar is a top-tier choice for serious fitness enthusiasts seeking optimal protein intake after workouts.
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 Fuel: MET-Rx Big 100

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High protein content |
Tasty flavor options |
Fills you up quickly |
The MET-Rx Big 100 Colossal Protein Bars are ideal for quick, on-the-go fuel.
With a whopping 30 grams of protein per bar, they really pack a punch, making them perfect as a meal replacement or post-workout boost.
The Peanut Butter Pretzel flavor hits just the right balance of sweet and savory, and the inclusion of 18 essential vitamins and minerals ensures you're nourishing your body even during busy days.
While they can be a bit dry and calorie-dense, their satisfying texture and strong nutrient profile make them a top contender for active lifestyles that demand convenience, flavor, and nutrition.
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 Post-Workout Recovery: Gatorade

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High-quality whey protein |
Great flavor variety |
Good for muscle recovery |
The Gatorade Whey Protein Recover Bars are perfect for post-workout recovery, delivering 20 grams of high-quality whey and milk proteins to help rebuild muscles efficiently.
With 42 grams of carbs per bar, they replenish energy levels quickly, preparing you for the next session.
The rich chocolate chip flavor is a treat, making recovery feel like a reward rather than a chore.
While the texture can be a bit dry and the carbs are quite high, these bars are a reliable choice for athletes who need a quick, effective refuel.
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!

Clif Kid Zbar

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Delicious chocolate flavor |
Organic & Non-GMO |
Kid-friendly & tasty |
Zbar offers a delicious chocolate flavor that kids and parents both love, making snack time easy and enjoyable.
It's made from organic, non-GMO ingredients and is free from artificial flavors and preservatives, so you can feel good about giving it to your little energetic explorers.
The soft, chewy texture combined with whole grains and fiber provides satisfying nourishment and sustained energy.
While it’s not the highest-calorie option out there, its kid-friendly profile and convenient format make it a solid choice for a nutritious, on-the-go snack.
Be sure to also check out the best non chocolate protein bars for more options! Also, here is the price history so you know exactly when to buy!

Prima Ancestral Protein Bars

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High-quality ingredients |
Rich in healthy fats |
Natural flavor options |
… These bars harness the power of grass-fed bovine collagen and New Zealand whey, making them a solid choice for muscle recovery and overall health.
The subtle coffee infusion adds a natural energy boost, perfect for mornings or pre-workouts.
Plus, the inclusion of grass-fed beef tallow delivers sustained energy through healthy fats, ideal for low-carb fans.
While they boast clean ingredients with organic honey and no artificial additives, some might find the flavor a bit muted, and the texture can vary.
Overall, a convenient, nutritious snack that packs a punch when you need it.
Be sure to also check out the best weight watchers protein bars for more options! Also, here is the price history so you know exactly when to buy!

MET-Rx Protein Plus Bar High Calorie Protein Bars

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High Protein Content |
Good for Meal Replacement |
Filling and Satisfying |
The MET-Rx Peanut Butter Cup Bar delivers a hefty dose of high-quality protein, perfect for fueling your workouts or as a satisfying meal replacement.
It’s quite filling, helping you stay energized and curb hunger longer.
While it’s not overly sweet and might taste a bit more chemically than some prefer, the robust flavor of peanut butter and chocolate combo still hits the spot.
Keep in mind, it’s on the pricier side, but for athletes or busy folks needing reliable nutrition in a pinch, it’s a smart choice.
Overall, a solid, performance-driven snack to keep you powered up.
Be sure to also check out the best low sodium protein bars for more options! Also, here is the price history so you know exactly when to buy!

Clif Builder's

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Great taste |
Provides energy boost |
High-quality ingredients |
The high-quality ingredients shine through with each bite—gluten-free, non-GMO, and crafted with sustainably sourced components like Rainforest Alliance certified cocoa.
The Chocolate Peanut Butter flavor hits the perfect balance of rich chocolate and creamy peanut butter, with a satisfying crunch that keeps things interesting.
Packed with 20g of complete protein plus extra carbs, these bars are a reliable energy booster for tough workouts and recovery.
While they do have a slightly higher carbohydrate content and some flavors can crumble, overall, they deliver great taste and functional fuel in one sustainable package.
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!

Pure Protein Bars

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High protein content |
Great for workouts |
Delicious flavor |
The Pure Protein Chocolate Peanut Butter Bar delivers a satisfying burst of flavor with 20g of high-quality protein, making it a great choice to fuel your workouts or satisfy cravings on the go.
The chocolate and peanut butter combo hits the sweet spot, even if the peanut butter flavor isn't overwhelming.
It's gluten-free and supports muscle recovery, but keep in mind it might not be super filling or gentle on sensitive stomachs.
Overall, a tasty, convenient snack that balances quality and taste for your active lifestyle.
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!

RXBAR Nut Butters and Oat Bars High Calorie Protein Bars

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Simple, natural ingredients |
Great for on-the-go |
Delicious flavor |
These bars feature a simple, natural ingredient list—oats, honey, peanuts, egg whites, and dark chocolate—making them a wholesome choice for any time of day.
The soft yet crispy texture offers a satisfying bite, complemented by creamy nut butter and rich dark chocolate for added flavor.
Each bar packs 10g of protein, decent but not overwhelming, perfect for a quick snack rather than a meal replacement.
The gluten-free, kosher pareve certification adds peace of mind, and their portability makes them a go-to for busy days.
Just note, the protein content may leave some craving more, and the texture can vary from batch to batch.
Overall, a tasty, convenient option with clean ingredients that we recommend for those seeking a flavorful, on-the-go boost.
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!

TruBar

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Healthy, simple ingredients |
Delicious taste options |
High protein & fiber |
The Oh-Oh Cookie Dough Protein Bar offers a guilt-free indulgence that feels like a treat, thanks to its rich, cookie dough-inspired flavor blended with chocolate.
While the texture can be a bit dry, its simple, real ingredients—think cashews, pea protein, and cassava—make it a satisfying, nourishing choice.
With 12g of plant-based protein and fiber, it supports your workout recovery or midday cravings without any mess of artificial flavors or allergens.
Perfect for anyone seeking a healthy, tasty snack that fuels their day with clean ingredients.
Be sure to also check out the best plant based protein bars for more options! Also, here is the price history so you know exactly when to buy!

MOSH Protein Bars

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Brain-boosting ingredients |
Variety of flavors |
Keto-friendly and healthy |
MOSH's high-calorie protein bars pack a punch with brain-boosting ingredients like lion’s mane, omega-3s, and Cognizin, making them a smart choice for mental clarity and focus.
The variety pack means you can enjoy six mouthwatering flavors—perfect for keeping snacks exciting.
Plus, they're keto-friendly, gluten-free, and made with clean-label ingredients, aligning with health-conscious lifestyles.
While the flavor options are limited and the packaging small, these bars deliver on nutrition and convenience, making them an excellent quick and nourishing snack for busy days.
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!

Quest Nutrition Bars High Calorie Protein Bars

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Great flavor variety |
High protein content |
Low sugar and carbs |
The Quest Ultimate Protein Bars Variety Pack offers a fantastic mix of flavors that keep snacking exciting without sacrificing quality.
Each bar is packed with 20-21 grams of high-quality dairy protein, making it an excellent choice for muscle support and recovery.
Plus, with only 4-5 grams of net carbs and minimal sugar, it’s perfect for those watching their intake.
While a few flavors may come across a bit dry or contain artificial sweeteners, the overall taste and convenience make it a top contender for busy days on the go.
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!

Clif Bar

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High calorie density |
Good for on-the-go |
Reliable energy boost |
The Classic Chocolate Chip flavor hits the spot with sustainably sourced chocolate, giving it that comforting, indulgent taste we crave.
With 10g of plant-based protein, organic oats, and no high fructose corn syrup, it offers good-for-you ingredients that support sustained energy, perfect for long activities.
Its high calorie density makes it a reliable on-the-go snack, whether you're hiking or powering through a gym session.
While it’s not a meal replacement and does contain some sugar, its convenience and satisfying flavor make it a solid go-to for active days.
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!

ONE Protein Bars

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High protein content |
Great sweet, peanut flavor |
Gluten free option |
These Reese’s-inspired protein bars deliver a sweet, nostalgic peanut butter flavor that hits just the right spot—perfect for satisfying cravings while fueling your day.
With 18 grams of protein and only 3 grams of sugar, they strike a nice balance for those looking to manage their intake without sacrificing taste.
The gluten-free option makes it appealing to a broad audience, and their convenient 2.12-ounce size makes them ideal for on-the-go snacking at home, the gym, or during outdoor adventures.
While the flavor isn’t exact to the classic Reese’s, the rich, nutty taste still makes these a fun, satisfying choice.
Be sure to also check out the best high-protein vegan cookbook for more options! Also, here is the price history so you know exactly when to buy!

think! Protein Bars High Calorie Protein Bars

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High protein content |
No added sugar |
Great taste (peanut butter) |
With 20 grams of protein per bar, it’s a powerhouse snack perfect for those seeking a quick energy boost or a meal replacement.
We love that it contains 0 grams of sugar and omits all artificial sweeteners, making it a low GI option ideal for clean eating.
The peanut butter flavor delivers great taste, and the inclusion of 12 brownie crunch bars makes it a satisfying treat.
However, the texture can be a bit unpleasant for some, and the flavor choices are limited.
For those prioritizing high protein and natural ingredients, this is a solid pick.
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!

Snickers

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Great taste for a protein bar |
High protein content (20g) |
No artificial flavors/colors |
The Snickers High Protein Bar delivers a bit of indulgence without the guilt.
The rich combination of peanuts, caramel, and chocolate coating makes it a delicious treat that feels like dessert, yet packs a serious punch with 20 grams of whey protein.
Perfect for post-workout recovery or a quick energy boost on busy days, it’s a satisfying snack that keeps you full longer.
While the texture leans toward chewy and the price is a bit steep, its great taste and natural ingredients make it a top contender for anyone craving flavor with their fitness.
Be sure to also check out the best high protein vegetarian cookbook for more options! Also, here is the price history so you know exactly when to buy!

Fulfil Protein Bars

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Great flavor and texture |
Low sugar and carbs |
Filling and nutritious |
The Hershey FULFIL Chocolate Salted Caramel Snack Protein Bar hits the sweet spot with its delicious flavor and chewy texture.
It’s perfect for a quick energy boost on busy days, whether you’re at work or hitting the trails.
With only 1g of sugar and 2g of net carbs, it’s a smart choice for maintaining your diet without sacrificing taste.
The rich salted caramel and chocolate combination offers a satisfying treat that keeps you full longer.
Although a bit chewier than before and on the pricier side, its filling, nutritious profile makes it a solid pick for anyone craving a high-calorie, indulgent snack.
Be sure to also check out the best almond protein powder for more options! Also, here is the price history so you know exactly when to buy!
