Best Protein Bars for Weight Loss

If you are on a journey of weight loss, chances are you might be looking for quick, nutritious snacks aside from healthy fast food. One such common snack is a protein bar. 

A 2016 study from NLM found that a protein-rich snack gives higher satiety than snacks high in other nutrients. 

Protein bars have gained popularity among health and fitness enthusiasts wanting to lose or gain weight. Protein bars are travel-friendly alternatives for those who don’t get time to consume enough proteins.

Plus, preparing a nutritious and high-protein lunch also requires a lot of time and effort. 

As a result, many adults enjoy protein bars since they are like a shortcut to include protein and other nutrition in a busy and active lifestyle. However, given the hefty amount of protein bars in the market, choosing the best one can be tricky and confusing. 

Worry not! This blog provides a list of the best protein bars for weight loss and explores their pros and cons so that you can buy them without any hesitation.

What are Protein Bars? 

Protein bars are simple yet convenient snacks that provide a large amount of protein per serving. It can be consumed as a quick, healthy snack, depending on the calorie content

Generally, the nutritional composition of protein bars varies significantly, and some are more akin to a sweet delight than a nutritious snack or protein-packed supplement.

When purchasing a protein bar, examine for its fiber and sugar levels, as well as any saturated fats. 

Are Protein Bars Really Effective For Weight Loss? 

You might be thinking that protein is a supplement for weight gain, so how come protein bars can help you lose weight? 

Protein bars are indeed a vital and healthy snack during the weight loss process. They contain a high protein content, which helps promote satiety, maintain lean muscle mass, and boost fat loss

You just have to pick bars with the highest protein content, small added sugar, and a decent calorie count. 

Benefits of Protein Bars For Weight Loss

Protein bars have been recognized as a popular snack when it comes to a healthy diet. Here are some potential ways protein bars can help with weight loss:

  • Satiety and hunger management 
  • Increased consumption of protein
  • Portion control 
  • Added sugars and calories
  • Muscle maintenance and recovery

What Are The Best Protein Bars For Weight Loss?

Let’s review some of the best protein bars you can include as part of your diet plan to help you lose weight:  

1. Aloha Peanut Butter Chocolate Bar 

This is the number 1 protein bar for people who follow a strict weight-loss diet.

Aloha protein bar is usually made of whole foods such as organic brown rice to infuse flavor and protein. Aloha Protein Bar is completely vegan and gluten-free, making it the go-to choice for many fitness enthusiasts. 

  • Nutritional facts: 14g protein, 5g sugar, 10g fiber, 12g fat, 240 calories
  • Source of Protein: Organic Brown rice, pumpkin seed
  • Price: $32.99
Pros Cons 
Gluten-free and stevia-free Few flavors have monk fruit 
Great taste and multiple flavors Some find its taste powdery and dull
Free from artificial sweeteners  Not suitable for strict keto diets due to carb content
Certified vegan and high in fiber  Relatively higher calorie content

2. ONE Protein Bar 

ONE protein bar is another delicious bar that contains a whopping 20 grams of protein and less than 1 gram of sugar per serving. This low sugar content makes it a favorite choice among diabetics.

However, note that these bars are sweetened with stevia and won't spike your blood sugar levels. 

Interestingly, ONE bar contains nearly 30% of the required fiber consumption, therefore, they can help control your cravings, thereby helping in weight loss. 

The best time to eat ONE protein bar is usually after a heavy workout

  • Nutritional facts: 20g protein, 220 calories, 25g carbs, 8g fat, 0-1g sugar
  • Source of protein: Milk protein isolate, whey protein isolate 
  • Price: $2.60 per item
Pros Cons 
High protein content (around 20g)   Calorie count is higher 
Affordable and gluten-free Contains some artificial sweeteners like sucralose
Low sugar content (<1g) Milk and whey protein isolate may not work for some
Multiple desert-based flavors  High fiber content may lead to digestive discomfort in some

3. Perfect Protein Bar

The Perfect Protein Bar is among the best protein bars for losing pounds. It can be replaced with a meal because of its satiating effect (It makes you feel full). They are 100% organic and made from whole food ingredients. 

A recent study found that a diet high in MUFs (monounsaturated fatty acids) reduced the body’s level of ghrelin hormone, aka “the hunger hormone,” compared to a diet rich in saturated fat.

Thus, the high content of MUFs in perfect protein bars makes it a decent alternative for people aiming to lose weight. 

Plus, this protein bar provides a well-balanced blend of fiber and important nutrients, which helps in appetite control. 

  • Nutritional facts: 17g protein, 330 calories, 27g carbs, 19g fat 
  • Source of protein: Nut better 
  • Price: $3.62 per item 
Pros Cons 
Certified organic and gluten-free Has to be stored in a refrigerator 
Contains a balanced combination of protein, carbohydrates, and fats Usually sold as singles
No artificial ingredients  Not specifically designed for certain dietary plans (e.g., keto, vegan)
Provides a feeling of fullness Some flavors may contain added sugars or other sweeteners

4. Orgain Organic Protein Bar

Orgain protein bars are the most trusted choice for plant-based, organic protein supplementation. Low in calories and enriched with wholesome ingredients like organic brown rice, these bars offer a health-conscious option. 

While they may not entirely replace a meal due to their 10g protein content, they are the perfect choice for a nutritious pre-or post-workout snack.

  • Nutritional facts: 10g of protein, 5g of fat, 150 calories, 1g of fiber, 6g of sugars 
  • Source of Protein: Plant-based
  • Price: $23.99 
Pros Cons 
Vegan and gluten-free Contains erythritol 
Made with organic, whole-food ingredients Lower protein content 
Low in added sugar Can not work as a meal replacement 
Low-calorie  Limited flavor options compared to some other brands

5. RXBAR Protein Bar

If you're looking for a protein bar with minimal ingredients and maximum protein content, RXBAR no-sugar-added is the answer. This is ideal for those seeking a sugar-free snack.

Even though they are predominantly made of egg whites as the primary source of protein, they remain popular due to their delicious taste.

RXBAR protein bars use dates as their sweetener rather than sugar or artificial sweeteners. RXBAR protein bars are regarded as the best pre-workout snack due to their high carb content. 

  • Nutritional facts: 12g of protein, 220 calories, 24g of carb, 5g of fiber, 15g of sugars, 7g of fat
  • Source of protein: Egg white and nuts 
  • Price: $2.42 
Pros Cons 
Gluten-free  Somewhat expensive
Wide variety of flavors  Lower protein content
Great source of fiber  Not for people with nut allergies
Free from artificial additives Not ideal for low-carb or keto diets

6. Power Crunch Protein Bar  

The Power Crunch protein bar is a popular choice for a pre-workout snack. It comes in 14 delicious flavors, making it one of the tastiest protein bars on the market. 

These bars maintain a nearly balanced ratio of protein, carbohydrates, and fat. Plus, it's a great option since it doesn't contain sugar alcohol like erythritol, which you often find in basic protein bars.

Lastly, the range of flavors available in Power Crunch protein bars reminds us of our childhood favorites. Nutritional facts: 14g of protein, 220 calories, 5g of sugar, 14g of fat, 11g of carbs

  • Source of protein: Whey protein, whey protein isolate
  • Price: $1.67 per item
Pros Cons 
Most affordable High-fat content
Keto-friendly  Low protein content 
Suitable as a tasty, on-the-go snack, Multiple flavors (14 flavors)  Whey proteins may trigger people with sensitive stomach 
No sugar alcohol (no erythritol)  May not be ideal for individuals with nut allergies 

7. Pure Protein Bar

If you are struggling to get enough protein in and want to keep a balanced diet, the PURE protein bar is the perfect solution for you.

Pure protein bars can work as a meal replacement for people wanting to shed more pounds since they contain adequate amounts of protein (20g), carbs, and fats. They are also low in sugar and high in fiber, which helps curb hunger.

  • Nutritional facts: 20g of protein, 100-200 calories, 2g of sugars, 
  • Source of protein: Whey and soy protein
  • Price: $1.41
Pros Cons 
Worth the overall quality of the product The specific carb and calorie count differ by flavor
Great taste and multiple flavor options Contains artificial flavors and artificial sweeteners
Provides essential fuel to keep one active No plant-based options available

8. Think! High protein bar keto 

Keto Think! High protein bars are certified by the Paleo Foundation as the best bar for people who follow a gluten-free diet. Plus, it’s an ideal option post-workout as it contains high-quality protein to boost muscle mass. 

These energy booster bars use soy protein and whey protein isolate combined with non-GMO ingredients to make a nutritious source of energy. 

  • Nutritional facts: 20g of sugars, 24g of carbs, 9g of fat, 230 calories, and zero sugar 
  • Source of protein: Whey protein isolate, soy protein isolate, calcium caseinate 
  • Price: $2.35 per item 
Pros Cons 
Great taste, gluten-free Contains stevia
Low in net carbs, suitable for keto diets High fat and carb content
No artificial colors, flavors, or sweeteners Contains milk and nuts, which can be allergic to some people.
Kosher and non-GMO  May not be ideal as a sole meal replacement due to the calorie content

9. KIND Protein Bar

Next up on our list is the Kind protein bar, which contains roughly 16 grams of protein. 

It’s a favorite among people whose goal is to lose weight without compromising on sweets. You can enjoy it as a meal component or as a snack before or after your workout.

The Kind protein bar contains no artificial flavors or preservatives and has only 6g of added sugar. Top-rated flavors include double-dark chocolate nuts and crispy peanut butter

  • Nutritional facts: 14g of protein, 240 calories, 17g of fat, 18g of carbs, 5g of fiber, 8g of sugar
  • Source of protein: Soy
  • Price: $16.14
Pros Cons 
Affordable Lower protein per serving
Gluten-free and non-GMO  Relatively high in sugar
Made with whole food ingredients Not ideal as a primary source of protein for bodybuilders

10. Bulletproof Protein Crisp Bar

Bulletproof protein bars are keto-friendly snacks for people who are working toward weight loss.

Interestingly, they manage to keep the calorie count low at just 160, even though they have a substantial 11g of protein along with a significant dose of healthy fats. This makes them an easy fit for a low-calorie diet plan.

  • Nutritional facts: 11g of protein, 160 calories, 8g of fat, 15g of carbs, 1g of sugar 
  • Protein source: Peanut and peanut butter
  • Price: $2.50
Pros Cons 
Less sugar content (<1g) Contains stevia and monk fruit, which may cause stomach issues
Gluten and dairy-free Some customers dislike the new formula

How To Choose The Best Protein Bars For Weight Loss? 

There are various factors to consider before picking and purchasing any protein bar. Firstly, it depends on your health and fitness goals, such as weight loss or weight gain. Besides, paying attention to nutritional information is important, too. 

Let’s discuss them in detail: 

High protein count –

Protein is a vital component for weight loss since it boosts your metabolism and helps you feel fuller for longer. The ideal protein bar must have protein content in the range of 6-12 to reach your weight loss goal. However, dieticians recommend a minimum of 10 grams per day if you are using it as a meal replacement.

Moderate calories –

The recommended calorie range in a protein bar falls between 180-250 calories. But if you are using it as an occasional meal replacement, opt for protein bars that provide around 400 calories. 

High fiber –

Besides protein and carbohydrates, fiber is another essential component of a weight loss diet that you must consider. Fiber breaks down in the stomach and makes you feel full for longer. Aim for 3 to 5 grams of fiber per protein bar when checking the fiber content. 

Check the sugar content – 

Always check the sugar content carefully and make sure it remains below 12g per bar, as lower is generally better. Some brands choose to include sugar alcohols to add sweetness without increasing the carbs' content. It's advisable to avoid them as they may potentially lead to gas or bloating.

Select wholesome ingredients –

Flip over and review the ingredients list, and look for healthy components at the top, such as nuts and fruits, instead of added sugars.


This blog discussed a list of the ten best protein bars for weight loss and active lifestyle. Before picking your best protein bar from the store, do proper research.

Also, keep in mind that just because something is advertised or labeled as a “protein bar” does not necessarily imply that it is healthy. So always make sure to check the nutrition label and ingredient list carefully. 


1. What is the best protein bar for losing weight?

Ans: Some of the best protein bars for losing weight include Low Carb, Think Keto Bars, Orgain organic protein bars, Perfect bars, and RXbars, among others. 

2. How many protein bars should I eat a day to lose weight? 

Ans: It is recommended to consume one to two bars (of 20g each) a day to meet the nutritional goal. No matter how convenient or nutritious they are, eating 1-2 proteins is more than enough for weight loss. 

3. Is it OK to eat protein bars every day? 

Ans: Eating protein bars every day is okay; however, replacing it with a regular meal or primary protein source is not at all recommended. If you look closely, protein bars may contain added sugars and saturated fats, which are quite unhealthy. 

4. What is the best protein bar for women?

Ans: Most women prefer the ALoha Chocolate Chip Cookie dough protein bar as it contains a decent amount of protein and fiber along with 35% of the Daily Value (DV) for iron, which women usually require to be healthy.

5. Which protein bars have the highest protein?

Ans: Some of the protein bars with high protein concentrations include think! Chocolate Peanut Butter Pie Keto Protein Bar, Pure Protein Bar, and ONE protein bar.  

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Oliver Nelson

Oliver Nelson is a New York based Health Specialist Writer who completed his graduation from Syracuse University back in 2015. His writings were published in the top Healthcare brands in the United States.

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