Highest-Fiber Snack Bars, Ranked by Label Data (2026)

The Quest White Chocolate Raspberry Protein Bar and Pure Protein Chocolate Chip Cookie Dough Bar both contain 25 g of fiber per 100 g.

This post ranks branded snack bars based on their fiber content per 100 g, using verified manufacturer label data. The focus is on identifying the highest-fiber options available.

What Counts as a High-Fiber Bar?

A high-fiber bar is a snack that contains a significant amount of dietary fiber. Generally, a bar is considered high-fiber if it has at least 5 g of fiber per serving.

Highest-Fiber Snack Bars, Ranked

The following table presents the highest-fiber snack bars ranked by their fiber content per 100 g.

#	Product (per 100 g)	Fiber (g)	Calories (kcal)	Protein (g)	Sugar (g)	Fat (g)
1	Quest White Chocolate Raspberry Protein Bar	25	333	33.3	1.7	13.3
2	Pure Protein Chocolate Chip Cookie Dough Bar	25	333	35	3.3	11.7
3	N!Ck's Almond And Chocolate Swedish-Style Nut Bars	25	450	12.5	2.5	32.5
4	Nick's Peanut And Chocolate Swedish-Style Nut Bars	25	450	12.5	2.5	32.5
5	Perfect Keto Chocolate Mallow Munch Snack Bar	25	286	28.6	3.6	12.5
6	Sun Best Chocolate Brownie Flavored Fiber Boost Chocolate Bars	25	375	4.2	29.2	12.5
7	Kellogg's Fiberplus Caramel Coconut Fudge Flavored Antioxidants Chewy Bars	25	361	5.6	19.4	11.1
8	No Cow Birthday Cake Dipped Protein Bars	25	333	33.3	1.7	10
9	Stater Bros. Fiber Oats & Chocolate	25	350	5	20	10
10	Schnucks Fiber Chewy Granola Bars, Oats & Chocolate	25	350	5	20	10
11	Atkins Caramel Chocolate Peanut Nougat Flavored Snack Bar	25	386	20.4	4.5	25
12	Kirkland Signature Chocolate Peanut Butter Chunk Protein Bar	25	317	35	3.3	10
13	Nutrisystem Birthday Cake Squares Nightcap Snacks	25	425	17.5	5	27.5
14	Shurfine Chewy Fiber Bars, Oats & Chocolate	25	350	5	20	10
15	Proganics Choc Fudge Brownie Plant Protein Bar	24.4	280	24.4	6.7	4.4

How to Track Snack Bars Accurately

Snack bar portions and macros can often be misjudged by eye, making it important to check the label for accurate nutritional information. Nutrola is an AI nutrition tracking app that identifies foods from a photo and returns calories and macros from a database of more than 1.8 million foods. It also supports barcode scanning and voice logging. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

For related references, see lowest-calorie snack bars, highest-fiber pastas, lowest-calorie frozen pizzas.

How We Compiled These Numbers

The values presented are derived from manufacturer label data sourced from USDA FoodData Central branded foods, normalized per 100 g. Each entry represents one product per brand. This information is for educational purposes and not medical advice.

Frequently Asked Questions (FAQ)

Which snack bar has the highest fiber content?

The Quest White Chocolate Raspberry Protein Bar and Pure Protein Chocolate Chip Cookie Dough Bar both contain 25 g of fiber per 100 g.

What is the fiber content of the Perfect Keto Chocolate Mallow Munch Snack Bar?

The Perfect Keto Chocolate Mallow Munch Snack Bar contains 25 g of fiber per 100 g.

How many grams of fiber do the N!Ck's Almond And Chocolate Swedish-Style Nut Bars have?

N!Ck's Almond And Chocolate Swedish-Style Nut Bars contain 25 g of fiber per 100 g.

What is the fiber content in the Stater Bros. Fiber Oats & Chocolate?

Stater Bros. Fiber Oats & Chocolate contains 25 g of fiber per 100 g.

How many calories are in the highest-fiber snack bars?

Both the Quest White Chocolate Raspberry Protein Bar and Pure Protein Chocolate Chip Cookie Dough Bar have 333 kcal per 100 g.

What is the fiber content of the Atkins Caramel Chocolate Peanut Nougat Flavored Snack Bar?

The Atkins Caramel Chocolate Peanut Nougat Flavored Snack Bar contains 25 g of fiber per 100 g.

Key Takeaways

• Quest White Chocolate Raspberry Protein Bar: 25 g fiber, 333 kcal
• Pure Protein Chocolate Chip Cookie Dough Bar: 25 g fiber, 333 kcal
• N!Ck's Almond And Chocolate Swedish-Style Nut Bars: 25 g fiber, 450 kcal
• Perfect Keto Chocolate Mallow Munch Snack Bar: 25 g fiber, 286 kcal
• Kellogg's Fiberplus Caramel Coconut Fudge Flavored Antioxidants Chewy Bars: 25 g fiber, 361 kcal
• All listed bars contain 25 g of fiber per 100 g