20 Best Low-Carb Protein Bars for Keto-Friendly Snacking, According to Dietitians

“Quest bars average around 190 calories with 4g of net carbohydrates, making them a great option for anyone following a low-carb diet,” says Frutchey. Each bar is also very filling, containing 20g of protein from whey. Not to mention, reviewers love the taste—and the wide variety of unique flavors that are great for satisfying cravings, including everything blueberry muffin and chocolate sprinkle donut.

“I pretty much eat one of these every single morning that I work. They always taste fresh with no weird protein aftertaste,” writes a reviewer on Amazon. “I also feel full and satiated for almost an entire day during my 10-12hr shifts.”

“I swear by Barebells protein bars,” says Frutchey. “In my opinion, they are the best-tasting protein bar on the market with 20g of protein per bar at 200 calories.” Bars average at around 10g of net carbs per bar, she adds, and there are plenty of tasty flavors to choose from—including plant-based options for those who are vegan or have dairy allergies.

“They taste like a candy bar but don’t have the sugar. Getting a whopping 20g protein for a small bar is awesome,” raves one Amazon reviewer. “I use them on my way to the gym. Fast and easy with good ingredients! My new favorite!!”

This Dang bar is “an ideal low-carb protein bar for those individuals following a plant-based diet, with the first ingredient coming from peanuts,” says Gans. With only 2-5g of net carbs, it also contains 6 grams of heart-healthy fiber.

“These bars give me energy AND I don’t feel hungry for hours after eating one,” says one reviewer. “One of the reasons why I love these bars is that they are NOT gooey sweet. Instead of relying on a sugary, sweet taste, these have a crunchy, natural sweetness with various natural herbs and spices to them...I’m hooked!”

There are a lot of sweet options for protein bars out there—but if you’re craving a meat-based one with a savory taste, Gans recommends Epic bars. Packed with protein from responsibly-sourced animal meat, they contain minimal ingredients and are low in net carbs. In addition to chicken sriracha, they also come in other great-tasting flavors including beef jalapeno, bison bacon cranberry, and more.

Writes one happy customer on Amazon:“Very tasty, highly satisfying, and can go anywhere...Best snack/meal replacement I’ve ever had.”

Finding a high-protein bar that isn’t whey- or milk-based might seem hard, but No Cow offers just that. These plant-based, dairy-free bars recommended by Lee are not only packed with 20g of protein from a blend of brown rice and pea protein, they also contain high levels of fiber. Plus, they come in a variety of flavors, like this chocolate peanut butter flavor that reviewers swear tastes “just like Reese’s peanut butter cups.”

With over 8,000 five-star ratings, ONE protein bars are a clear favorite—especially for their great-tasting flavor profile. “I have to say that I was immediately hooked. This is the only protein bar I have ever tried that actually tasted good,” raves one satisfied customer on Amazon. “Makes me forget sometimes that I am eating a protein bar!”

These bars are a bit higher in calories than other options, at around 220-240 calories per bar—but are still “a great option for getting in 20g of protein per serving with minimal carbohydrate content,” says Frutchney.

Another pick recommended by Lee, these keto-friendly and gluten-free protein bars contain 10g of protein and only 4g of net carbs. Reviewers love that it comes in indulgent-tasting flavors, raving that it “feels like a decadent dessert.” Writes one Amazon reviewer: “These are the quasi-adult, non-toothache-inducing answer to a Reese’s peanut butter cups in the best way...Basically, the candy substitute I’ve been looking for.”

“These have a super low sugar content, and pack 8g of filling fiber!” says Amanda Holtzer, M.S., R.D., a registered dietitian at Culina Health. There’s only 3g of net carbs, too—and 12g of plant-based protein, which comes from pea protein and tapioca starch. “They are not overly sweet with a nice soft texture, not chewy, chalky or crunchy,” writes one Amazon customer. “I feel good after eating these and they’re super healthy with pure ingredients!”

These bars from Atlas contain only 3g of net carbs and 15g of protein from grass-fed whey, making it a great low-carb, high-protein snack. Not only that, they’re also high in fiber and contain ashwagandha—a herb that shows promise in helping with stress and anxiety, improving muscle strength, and a host of other benefits.

“I really enjoy the flavor of these bars and I find that they are much more filling than any others I’ve tried. I am amazed that they easily replace a whole meal for me,” says one reviewer.

Satisfy your cravings with these highly-rated keto bars, which come in four different flavors that reviewers love. “These are so packed with flavor, I can’t believe how yummy these are,” writes one customer on Amazon. “Every flavor is to die for.” Each bar provides 8g of protein with only 3g of net carbs, making them a great, satisfying snack.

If you’re looking for a good protein bar that will keep you satisfied, you can’t go wrong with Pure Protein—it has a whopping 12,000 five-star ratings on Amazon. At 21g of protein and 180 calories, reviewers were impressed at how filling it was—making them great for pre- or post-workouts. “My favorite on-the-go meal when I literally have no time. I keep them in the car and my gym bag... They fill you up!” writes one customer.

Triple-layered and chocolate-coated, Misfits protein bars are available in indulgent flavors such as PB&J, S’mores, and Cookies and Cream. Each bar has 15g protein, less than 1g sugar, and less than 200 calories, making them a healthy on-the-go snack option. Raves one reviewer: “These were a game changer for me. If you have a sweet tooth but are trying to stick to your macros, these are a great choice. And they’re vegan?!? It’s a no brainer. Seriously. Buy these.”

With unique flavors such as churro, Mexican hot chocolate, and PB&Jelly, these bars from Unite serve 10g of protein from whey, almonds, and hemp seeds for a filling, great-tasting snack. Although this one has a higher sugar content than the other ones on our list, it still packs in 6g of heart-healthy fiber for a net carb total of 11g.

“These are individually wrapped and great to take on hikes or for workouts,” says one reviewer. “The texture is soft and chewy but not too chewy.”

Not only do CanDo Keto Krisp bars boast 10g of protein with only 5g of net carbs, they also stand out for its excellent, chewy-and-crispy texture. “The texture is unlike any other protein bar,” raves one reviewer. “They have a crispness and chewiness to them but without being like an overly sweet rice crispy treat...I’d say they’re like a keto oat bar crossed with a rice crispy.”

For those who prefer their protein bars not too sweet, these highly-rated keto-friendly bars from Ratio are a great option. With 12g of protein from ingredients like almonds and pumpkin seeds, reviewers love that it doesn’t taste overly sweet, and has a satisfying crunch. “I must say that they have become my favorite low-carb bar—not too sweet, crunchy without being bland, and satisfying all-around. With only 2g net carbs, what’s not to love about these bars?” writes one reviewer.

That’s right: Your protein bar could come in the form of cheese. These unique bars are made with only one ingredient (cheese!) and offer high levels of protein and calcium. The best part? They come in at less than 1g of total carbohydrates, making them a perfect low-carb snack for a keto diet.

“When I need a kick of protein I grab a package of Just the Cheese! Very handy when I am traveling,” writes a happy customer. “They appease my need for a quick snack and are a healthy addition to my diet when eaten in moderation.”

With over 3,000 five-star ratings, these vegan, USDA organic, gluten-free bars serve 10 grams of plant-based protein from ingredients such as brown rice, pea, and Chia seeds. Although it’s slightly higher in net carbs than other options on our list at 13g, it’s still a solid plant-based option for a nutritious, satisfying plant-based protein bar.