Our 10 Best Protein Bars 100 Calories for 2025 [US]

8.1

100Cal

100 CAL SNACKS Chocolate Protein Bar Brownie| High Protein, Gluten Free Keto Snack with Vegan Protein for Healthy Gut and Weight Loss | Clean Protein Bars made with Organic Ingredients, Ashwagandha and MCT Oil | Wholesome Yum High Fiber Low Calorie Snacks 100 Calories each| Zero Added Sugar Snacks | 20 Units Vegan Snack Box

Free Shipping

Main Highlights

ULTIMATE WEIGHT MANAGEMENT SOLUTION: Our chocolate brownie protein bars are engineered for strategic weight loss, delivering a powerful low-calorie, low carb nutritional combination. Each clean protein bar contains only 100 calories, making it the perfect guilt-free chocolate companion for those seeking to manage their weight while enjoying a delectable vegan gluten-free snack that keeps hunger at bay.
PERFORMANCE NUTRITION FOR ACTIVE LIFESTYLES: Our high protein, high fiber bars are designed to help fitness enthusiasts achieve maximum performance. Packed with high quality vegan protein such as pure pea protein and brown rice protein, these energy bars provide sustained energy for athletes and health enthusiasts.
STRESS MANAGEMENT & HORMONAL BALANCE: Infused with organic Ashwagandha, these natural snack bars are designed to reduce stress, promote relaxation, and support healthy gut function. The many benefits ashwagandha offers in balancing hormones in women makes these gluten free chocolate snacks the most ideal protein bars for women seeking a holistic approach to nutrition and well-being.
MINDFUL INDULGENCE: Experience guilt-free snacking with our no sugar added bars. Vegan and gluten-free, these *low-calorie healthy snacks are portion controlled at 100 calories, and can easily double as low carb desserts and snacks because of their low net carb content. Each brownie protein bite delivers pure enjoyment without any artificial additives.
COMPREHENSIVE DIETARY SUPPORT: Our keto bars are precision-engineered for individuals following specialized dietary protocols. With zero added sugar, high- protein content, and organic chocolate base, these snacks provide comprehensive nutritional support for keto and low-carb lifestyles. Each bar contains less than 3g net carbs, and is made with keto-friendly chocolate chips, organic MCT oil, and other clean, low carb ingredients for keto enthusiasts seeking convenient, wholesome yum nutrition.
PLANT-POWERED NUTRITION: Say hello to the power of vegan protein with our innovative clean protein bars. Combining high fiber ingredients, organic components, and exceptional taste, these bars represent the pinnacle of plant-based nutrition. Each bite delivers essential nutrients while supporting muscle recovery and sustained energy.
BEYOND GLUTEN LIMITATIONS: Carefully prepared to meet the most stringent gluten-free standards, our vegan gluten free bars are perfect for those managing celiac conditions or simply choosing a gluten-free chocolate option. These pure protein bars deliver high protein, low carb nutrition with the added benefits of gut health support and delicious flavor profiles.
CONVENIENT WELLNESS ON-THE-GO: Transform your snacking habits with our 100 cal snacks designed for busy lifestyles. These high protein low fat bars offer a perfect balance of low-calorie nutrition and exceptional flavor. Whether you need a pre-workout boost or a mid-afternoon pick-me-up, these natural snack bars provide instant nourishment.

Show Price

Our Best Overall Choice

Best Choice

9.7

RXBAR

RXBAR Minis Protein Bars, Snack Bars, Variety Pack (16 Count)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Mini protein bars made with simple ingredients; Includes Chocolate Sea Salt, Peanut Butter Chocolate, Blueberry, and Strawberry
Enjoy a feel-good, soft yet crispy protein bar snack made with simple ingredients for great flavor
Contains 6g of protein (at least 10% daily value); 100% gluten-free; Kosher Pareve; Contains egg, almond, peanut and cashew ingredients
Protein snacks are great for the office, before or after your workout, or as a wholesome treat to enjoy with a cup of coffee or tea
Includes 1, 0.912lb variety pack case containing 16 RXBAR Minis protein bars

Show Price

10 Best Protein Bars 100 Calories of 2025

Tested and Reviewed: Top 10 Protein Bars 100 Calories deals with expert ratings from 8.1 to a perfect 10

RXBAR

RXBAR Minis Protein Bars, Snack Bars, Variety Pack (16 Count)

Editor's bottom line:

Main Highlights

Nature Valley

Nature Valley Protein Granola Bars, Snack Variety Pack, Chewy Bars, 15 ct, 21.3 OZ

Main Highlights

Simply Protein

Simply Protein - Strawberry Chocolate Dipped Bars, 10 Bars - Plant Based Protein Snack Bars, Snacks for Kids - 7g Protein, 4g Sugar, 100 Calories - Vegan, Gluten Free, Non GMO, Kosher - 2 Boxes

Main Highlights

Protein One

Protein One 90 Calorie Protein Bars, Peanut Butter Chocolate, Keto Friendly, 5 Ct, 4.8 oz

Main Highlights

think!

think! Minis Protein Snack Bar, Gluten Free, Cupcake Batter, 15 Count

Main Highlights

Simply Protein

Simply Protein - Dipped Bars Variety Pack, 15 Bars - Cookies and Crème (1), Chocoberry (1), and Birthday Cake (1) Flavors - Plant Based Snacks for Kids - 7g Protein, 4g Sugar, 100 Calories - 3 Boxes

Main Highlights

Quest Nutrition

Quest Nutrition Mini Chocolate Chip Cookie Dough Protein Bars, 8g Protein, 1g Sugar, 2g Net Carbs, Gluten Free, 14 Count

Main Highlights

WonderSlim

WonderSlim Protein & Fiber Bar, Fluffy S'more Crisp, Gluten Free, Keto Friendly & Low Carb (7ct)

Main Highlights

KIND

KIND Thins, Variety Pack, Gluten Free, 100 Calorie, 30 Count

Main Highlights

100Cal

Main Highlights

Our Best Overall Choice

RXBAR

RXBAR Minis Protein Bars, Snack Bars, Variety Pack (16 Count)

Editor's bottom line:

Main Highlights

Related Deals You Might Like for Protein Bars 100 Calories

KIND THINS Peanut Butter Dark Chocolate Bars, Gluten Free, 100 Calories, 0.74 oz bars, 10 count

Protein One 90 Calorie Protein Bars, Chocolate Chip, Keto Friendly, 5 Ct, 4.8 oz

Fiber One 80 Calorie Chewy Snack Bars, Chocolate Caramel and Pretzel, 5 Ct, 4.1 oz

Mighty Sesame TahiniBars With Pistachio (2 Pack Total 12 Bars) 100 Calorie Bar, Gluten Free, Vegan, Nothing Artificial, Kosher

Protein One 90 Calorie Chocolate Chip Protein Bar , 4.8 Ounce (5 Count)

Simply Protein - Dipped Bars Variety Pack, 15 Bars - Cookies and Crème (1), Chocoberry (1), and Birthday Cake (1) Flavors - Plant Based Snacks for Kids - 7g Protein, 4g Sugar, 100 Calories - 3 Boxes

FULFIL Protein Snack Bars, Chocolate Salted Caramel, 15g Protein, Pantry Staples, 12 Count

MOSH Variety Pack Keto Protein Bars, High Fiber, Low Carb, Gluten Free, High Protein, Brain Healthy Snack with Ashwagandha, Lion's Mane, 6 Count

Zing Dark Chocolate Cherry Kids Protein Bars, Gluten Free 100 Calorie Mini Bars with High Protein, Vegan Nutrition Bars, Dairy Free Plant Based, Kosher, Low Sugar, No Sugar Alcohols - 18 count

Deals are Live