Whether you want to lose weight, get leaner or become stronger while still maintaining the intake of needed calories. We have collected the best low-calorie protein bars out there.

You’re probably already familiar with the concept of protein bars. It’s a great way to add some extra protein to your daily diet. With these bars, you are able to do that while minimizing calories. It’s as easy as grabbing a snack and most of them are really tasty. We know that you are very busy and you are looking for a convenient alternative to prepping whole meals.

The calorie content of vegan protein bars can differ a lot. Some can contain up to 300+ calories. We have also created a list of high-calorie vegan bars. However since you have reached this page, you’re probably looking for some low-calorie vegan protein bars.

This is why we from Planthlete have created a list of the best low-calorie protein bars. We have tested them all individually and a lot more, however, these bars listed are our favorite.

Since there are a ton of protein bars out there, we couldn’t test them all. So please let us know if you have a contender for these seven protein bars.

1. HEALTH WARRIOR Chia Bars – 100 calories

This is our absolute favorite! This 100 calorie superfood snack is made from real ingredients that help to keep you full for a long time! The bar contains more omega-3s than salmon and more protein than an egg! That with only 3 grams of sugar. You can use this low calorie bar as a breakfast on the go, pre or post workout or as a healthy snack between meals. These bars are also  made with real, plant based ingredients that fill you up without weighing you down. Plus, they’re dairy free, gluten free, soy free, and non-GMO*.

Available flavors:

  • Banana + Almond Butter
  • Blueberry & Cashew Butter
  • Breakfast Variety
  • Cashew Caramel
  • Coconut + Almond Butter + Chocolate Chip
  • Dark Chocolate & Almond
  • High Protein Variety
  • Maple Sea Salt
  • Mocha Chocolate Chip
  • Oatmeal Chocolate Chip
  • Peanut Butter
  • Peanut Butter & Chocolate Chip
  • Sunflower Butter & Chocolate


2. Orgain Organic Plant Based Protein Bar – 140 Calories

This bar pops up in a lot of ranking lists about the best vegan protein bar. Completely justified! This bar is great. It’s also in our best vegan protein bars with low sugar, it contains only 3 grams of sugar, which is very low for a vegan protein bar. This bar provides essential amino acids that help build and maintain muscle mass. Each bar contains 140 calories and 10 grams of protein to keep you full and facilitate lasting energy. It’s perfect for a pre or post-workout boost. 

Available flavors:

  • Peanut Butter Chocolate Chunk
  • Peanut butter
  • S’Mores
  • Chocolate chip cookie dough


3. FitJoy Mini Protein Bars – 80 calories

This mini bar is low in calories. It contains only 80 calories. It’s the perfect little snack. These bars are made without grains, gluten, corn, GMOs, artificial flavors or sweeteners, maltitol, or sucralose. The protein / calorie ratio is very good. Because while this bar contains only 80 calories, it contains 7 grams of protein. Which is a lot! The taste of the lemon bar is great. It’s not too sweet and not too tart. It’s soft and airy. It’s our favorite, however we enjoyed the other flavors as well. FitJoy was nice enough to send us samples of the other flavors on our order. Because of the size, these mini bars are also perfect for kids. 

Available flavors:

  • Chocolate Peanut Butter
  • Cookie Dough Brownie
  • Cookies & Cream
  • Grandma’s Lemon Square


4. Simply Protein Bar – 150 Calories

These protein bars a little higher in calories than the rest of this list. However the calorie / protein ratio is amazing. Because for every bar that you eat, it will provide you with 16 grams of protein. The protein used is Non-GMO soy. That’s more than one gram of protein per 10 calories! It also contains just 1 gram of sugar, which is also great for people who are looking to cut down on sugar. These bars are maple pecan flavored, which tastes great. They also have a very lovely crunch to them. There are no junk ingredients in this bar, resulting in a very tasty light low calorie vegan protein bar that will fill you up without weighing you down. 

Available flavors:

  • Maple Pecan


5. IQ Vegan Protein Bars – 160 calories

We love these IQ BARs. These low sugar protein bars are called nutrition bars. That means that they are formulated with clean-label ingredients rich in compounds shown to benefit the brain and body. Each bar contains just only 160 calories, while providing 10 grams of plant based protein. These IQ BARs are great for your health. They are most importantly low calorie, but also keto, paleo friendly, vegan, kosher, and free from GMOs, gluten, dairy, soy, and sugar alcohols.

Available flavours:

  • Almond Butter Chip
  • Banana Nut
  • Blueberry
  • Chocolate Sea Salt
  •  Fruit Lovers Variety
  •  Lemon Blueberry
  •  Peanut Butter Chip


6. Zenobar – 150 Calories

Zenobar calls their own low calorie bar, the best low-glymenic bar out there. The bar is created by an environmentalist and a gardener who have both diabetes (type 1 and type 2) and couldn’t find an energy bar that tasted great and wouldn’t spike their blood sugar. The bar is sweetened with allulose, a naturally occurring sugar that does not act like a carb, and has zero effect on blood sugar. This bar has only 3-4 net carbs which which helps keep insulin levels stable throughout the day. The bars are available in 4 different quantities, in a 3, 6, 12 or 24 pack!  

Available flavors:

  • Almond Nut
  • Strawberry Nut
  • Cocoa Chip


7. Raw Rev Glo – 170 calories

This bar has made it onto mulitple lists of ours. This protein bar is delicious and moist. For a protein bar it contains less than average calories, only 170. It is loaded with protein and fiber while contains just only 2 grams of sugar. The protein bars are created with ethically sourced plant-based ingredients that support a healthy & active lifestyle. This bar is one of our favorite all-round vegan protein bars. They taste great! The crunchy peanutbuter is our go-to flavor. These bars are chewy with some large chunks of peanuts, which make them also chunky. The bar doesn’t taste chemical-like like other protein bars. And is actually really suited for a keto diet as well.

Available flavours:

  • Birthday cake
  • Cruncy peanut butter and sea salt
  • Creamy peanut butter and sea salt
  • Chocolate chip cookie dough
  • Dark chocolate cashew and mint
  • Dark chocolate espresso mint
  • Mixed Nuts Caramel and Sea Salt
  • Double Chocolate Brownie Batter
  • Peanut Butter, Dark Chocolate and Sea Salt



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