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Best Keto Low Carb Protein Bars (2019 Review)

Following a keto diet is one thing that is really complicated. You have to keep your carbs intake at the bare minimum and focus on good fats and protein. Protein as we all know is vital for building blocks in our muscle, bones, cartilage and skin.

It is what the body needs in order to repair our muscle. However, when it comes to the keto diet, too much protein will not be good for us as it will obstruct the process of ketosis. So, getting the right amount of protein can be something really tricky on a keto diet.

Taking a keto-friendly protein bar really comes in handy here. You can take just the right amount of protein you need without the expense of your ketosis and at the same time satisfy your cravings for sweetness.

So here, we will walk you through some of out best keto protein bar that we would definitely recommend for you to have. Other than that, we will share with you our thoughts on certain things protein bars related.

Our Top Three Picks

perf keto
  • Editor Rating
  • Campark 14MP
  • Best Choice
  • Editor Rating
  • KetoSlim
  • Best Carb Content & Maintaining blood sugar levels
  • Editor Rating
  • Atlas
  • Best Energy Boost & Body Recovery

Top Keto Protein Bars


Perfect Keto Protein Bar Review

Perfect Keto Protein Bar is the first on our list. The Perfect Keto Protein Bar keeps your diet on track with minimum carb level and also keeps you satiated for a good number of hours.

Some of the ingredients include Soluble Tapioca fiber, collagen protein and sunflower Lecthin. Besides, it is also made from organic almond butter, almond butter, organic cocoa, cocoa butter, sea salt and does not have any artificial preservatives or added sugar. This is also a gluten-free and dairy-free protein bar as an added bonus.

The Perfect Keto Protein Bar has a good mix of salty and sweet and all the ingredients are blended perfectly. Each bar only contains 3 grams of net carb, thus it will keep you at the top of your energy level throughout your days.

Instead of using artificial sweeteners, the Perfect Keto Protein Bar uses stevia which is keto-friendly. And helps you maintain blood sugar level. On top of that, it is also easy to digest and is an amazing supplement for keto dieters.



  • Only 3 grams of net carbs per bar.
  • Ingredients are all natural and organic
  • Free.of gluten and dairy
  • Taste great


Bulletproof Collagen Protein Bar Review

Bulletproof is a well- known company and their bars are also of great standards. The protein from the bars are from collagen protein that comes from grass-fed cows. This is one main factor that promotes keto-friendliness. Other benefits of this ingredient is that it is good for your skin, hair and nails. Their special ingredients are their very own signature Brain Octane oil and also XCT oil. These two things are important for keeping your brain concentrated when performing your tasks. There is also organic lemon oil as an alternative for sugar and organic cashew butter replacing peanuts.

There is 210 calories per protein bar coming from 8 grams of net carbs, 12 grams protein and 14 grams of fat. But one downside that you might have noticed is the carbs which is relatively higher than most keto protein bars.



  • There is no sugar in the bar
  • Protein is from collagen protein which comes from grass-fed bars
  • Contains organic coconut oil
  • Contains amino acid which is a common ingredient in keto supplements to keep you alert
  • Contains Bulletproof’s signature Brain Octane and XCT oils that supports ketosis
  • Free of gluten and dairy and it is non-GMO
  • Lemon oil as an alternative for sugar and organic cashew butter as an alternative for peanuts



  • It contains 8 grams of net carbs which is relatively high for keto bars
  • Keto dieters must watch their carb intake in other meals.

Keto-Crave Energy Bar Review


Keto Crave is another keto-friendly protein bar. It is a great keto diet support as it has a good ratio of fat and protein. The bar contains 5 grams of net carbs. 9 grams of protein and 16 grams of fat. This makes it great to keep your keto diet strong and will support ketosis. This is because it maintains low carb, high fat and moderate protein levels.

Many people take it before workout sessions as it is an energy bar. It gives you the boost of energy that you need without a high level of carbs. Ingredients like coconut oil helps keep you in shape as it promotes fat loss and also other health benefits like improving heart and brain conditions. Additionally, it is soy and gluten free. Keto-Crave is a 10 out of 10 bar for all athletes.



  • High in good fat and fiber
  • Does not contain artificial preservatives and added sugar


InstaKetones Protein Bar Review

Instaketones Protein Bar also one that is to talk about too. This one is slightly different as it is made as a meal replacement protein bar for keto dieters. It can withhold your hunger for numerous hours and suppress your appetite. It also prevents unnecessary cravings that will complicate your keto diet.

You can take this bar in the morning to start the day or you can also have it as a pre-workout. The ingredients in the bar provides you the boost of energy needed for a good performance in the gym. By taking the InstaKetones Protein Bar, you should have better endurance and a more consistent energy level. Hence, many athletes do take this workout before any vigorous workout sessions.

The bar contains 8 grams of fat, 15 grams of protein and 14 grams of fiber. The bar is a great support for ketosis It is a good supplement to take to enter ketosis quicker or maintain it longer. Thus, people who struggle with the keto diet or are beginners to it are a big fan of the InstaKetones Protein Bar.



  • Does not contain any stimulants.
  • It is a great support for ketosis
  • All ingredients are completely natural and has no added sugar


  • Slightly expensive


KetoSlim Protein Bars

KetoSlim Protein Bars is good for various reasons whether it be for losing weight, controlling blood sugar level or just for you overall health improvement. Especially for diabetic patients or people who are watchful over their sugar level, this is right product for you.

KetoSlim Protein bars contains 2 grams of net carbs in each bar and a high level of protein (21 grams whey protein). The bar also contains metabolic enhancers that are good for burning fat and calories. This bar is a low-glycemic protein bar.

While most of these bars often leaves a bad aftertaste, you will not have to face this with KetoSlim Protein Bar. KetoSlim Protein Bar also contains over 45 vegetables, fruits and green foods that is able to supply your body with great nutrition to nourish your body which is perfect for your body especially during a keto diet. If you take this protein bar, you will definitely be able to fill your stomach for a long time without having and cravings or feeling hungry.



  • It is low in carbohydrates and has a low glycemic index.

*Glycemic index is the ability of a carbohydrate type of food to increase glucose in the blood. With a keto diet, a lower glycemic index would  make it better.

  • Very suitable for keto diets as well as diabetic users. With the low glycemic index, lower glucose in the blood making it suitable for diabetics as well.
  • Good for a quick boost of energy that is nutritious containing fruit and vegetable blends in it and suitable for keto dieters.
  • Taste good and satisfy the stomach with no feeling of hunger and cravings.


  • May cause you to experience gassiness or bloated in the beginning of use.


Quest Nutrition Protein Bars Review

Next on our list is the Quest Nutrition Protein Bar. This protein bar contains a good amount of fiber in order to help you with your bowel movements. Being on a keto diet comes in at one expense and that is difficulty in emptying your bowels. So Quest Nutrition Protein Bar provides you the fiber you need to get the job done for you.

Most importantly, this is a bar that you would want to support your keto diet. It comes with 13 grams of fiber, that helps sustain your hunger, boost your metabolism and of course improve your digestive system. Each bar has 4 grams of net carbs, 8 grams of fat and 21 grams of protein.

You can have this one in the morning, between and after meals or can even take it as a meal replacement. It contains all the things you need to support your keto diet. One downside of this protein bar is that it uses artificial sweetener which is sucralose. Fortunately, this sweetener does not increase the calorie count so it still a top keto protein bar.



  • Low level of carbs
  • Free of gluten and soy
  • Has the perfect ratio of fat, protein and carbs



  • Contains sucralose which is an artificial sweetener
  • Contains peanuts which is also not supportive of keto
  • Contains sodium caseinate which is a preservative


Atlas Bar Review

Atlas Bar is also an amazing keto-friendly protein bar. It is super clean so you could snack without guilt and providing you with a good keto balance of nutrition. This bar provides you with energy for a hectic day or a boost of energy for trainings and workouts.

Each bar contains 15 grams of protein, 13 grams of fiber and 6 grams of net carbs.  The ingredients used are of exceptional quality. It includes grass-fed whey protein and Himalayan pink salt. All of the ingredients are natural and contains nothing artificial or chemicals.

You could take a bar in the morning, between meals, before or after workouts and even as a meal replacement. This bar is good to help your body recover, build muscle and provide energy.



  • It is packed with lots of important nutrients that is vital for your body
  • Soy and gluten free and non-GMO


  • Slightly expensive.


Keto Brownie Almond Crunch Review

Keto Brownie Almond Crunch is also one of our recommended keto protein bars. Now, this one is a keto crowd pleaser and that is because it contains high level of good fat and protein and minimal net carbs. Like some of the other keto bars, this one is also all natural and organic and the bars and delivers you with optimal ketogenic macro. It is an optimal ketogenic snack.The Keto Brownie protein bar is not difficult to digest.

The protein bar contains 16 grams of protein and fat, 11 grams of protein and 4 grams of net carbs so that is good news to keto dieters. Other than the good ratio of nutrition for keto dieters, another plus point is the good taste. The taste is so good that it really comes to you more like a dessert than a protein bar. Thus, the name brownie certainly does not disappoint. It satisfy your sweet tooth and that is something that is really important for keto dieters as it helps control your cravings.



  • Completely  organic and natural ingredients to support ketosis
  • Free of gluten and non-GMO


  • Slightly expensive

Should you take protein bars? And how to select a protein bar?

Protein bars are a really healthy option and fits comfortably in to many diets. Having it in moderation is the best suggestion. It is also extremely convenient and comes in really handy at times. For instance, skipping a meal is not a good thing for the body, so opting a protein bar as a meal replacement can do you plenty of good.

Do make sure that when you are choosing a protein bar, you take note of the ingredients so that you do not end up consuming things that are bad for your diet or body as well. For weight loss, consider the calorie content.

Keto dieters have to make sure a good ratio of fats, carbs and proteins as well as making sure that it does not contain chemicals, artificials or added sugar that can disrupt ketosis.


Best time to have a protein bar

The best time to grab a protein bar is dependent on your needs too. Some people do take protein bars as a meal replacement in the morning. This is because it gives you a healthy option to start your day and it is really convenient as you can have on the run.

It also satiates you, so you would not be having unwanted hunger causing you to overeat on your main meals. As it is a good appetite suppressant, some people even have it as a meal replacement for lunch or dinner, but this is not always advisable.

You can also have it as a pre or post workout. To get best results, you can try having them about an hour before your sessions or activities as it may take time put you in your best performance level. As a post workout, you can even have them right after your workout in order to repair your body’s damaged tissues.

You can have a protein bar in between your main meals too. Many people do take it as a snack because it avoids them from having unhealthy snacks and also it prevents them from overeating during the main meals.

Frequently Asked Questions

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Where Can I Buy The Keto Protein Bars

Each of our links given will lead you to the exact product that we’re talking about and you can purchase it from there. Another place you can purchase it would be other websites like amazon. 

How Many Protein Bars Can I Eat a Day?

Like any type of food, protein bars must be eaten in moderation to provide the most benefit for consumers. When it comes to determining the proper amount to eat in one day, it is not as easy as you would hope. 

The type of ingredients, calories, and serving sizes all determine the amount you should consume each day. While most protein bars are low calories, low carbs, and high protein, this is not always the case. Some protein bars are high in calories and have high-fat content, which can wreak havoc on your diet. You will want to make sure the calories, sugar, and protein all fall within a recommended amount per day. Typically, bodybuilders and dieters find one to two bars a day provide the optimal results for them; however, you will be able to review the ingredients to determine what works best for you. 

When Can I Have a Protein bar?

  • If you tend to have busy mornings, the bar will be a great to-go breakfast

  • As a snack in the afternoon when you have cravings. 

  • For an energy boost before your workout

  • For a healthy sweet dessert

  • Put it in your bag, car or your office table for when you are hungry or in need of a quick pick me up energy boost.

Top Choice: Perfect Keto

Protein bars are not always good for a keto diet, thus sometimes it is difficult for keto dieters to build muscle as keto diet has a primary goal of weight loss. This makes things a bit complicated. Just because the product is low in carbs, it does not mean that it is keto-friendly. It could be paleo-friendly but not necessary for keto.

While traditional protein bars have high carbs level, the newer ones are keeping carbs level low but increasing protein. Other factors beside the amount of carbs that can negatively affect ketosis is the presence of artificials, chemicals and so on.

Hence we put in the effort to look for some of the best keto-friendly protein bars that can provide you with the benefits that you are looking for from a protein bar but without ruining your keto plans. All of these products are extremely good and it is tough to name the best or the worst but there is one that stands out which is Perfect Keto. Perfect Keto’s brand is a great Keto supplement brand and all its products are always a good choice. 

The protein bar only contains 3 grams of carbs which is great for keto dieters. The bar is also gluten and dairy free suitable for a lot of dieters. And to add on to it, it also taste great unlike some other protein bars. 

This is for you if:

  • Looking for affordable protein bars
  • Looking for a low carb bar 
  • Want to get a boost in energy 



About The Author

Losing weight has always been a hard thing for me. I would stick to a strict diet, eating as little as I possibly could to only lose a few pounds. Sadly, after a sweet buffet dinner, I would gain all the “lost” weight back. Keto Diet allows me to consistently lose and maintain my weight while enjoying the most fattening food I can possibly imagine. Let me show you how.