High Fiber Protein Bars for On the Go

Chocolate and nut protein bars lined up on a pink background with the words “high fiber protein bars" in white writing against a turquoise banner | Root Nutrition Education & Counseling
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High fiber protein bars can sometimes be hard to find. Increasing your intake of fiber can help manage the effects of stress and improve your health. This post is part of our article on the best gluten-free protein bars. Learn what to look for when choosing a protein bar.

Below are our picks for high fiber gluten-free protein bars. Looking for low sugar or high protein bars? Find them here.

Core Bars

Core bars used to be known as Core Meal bars but now are known as “overnight oat bars.” They have whole food ingredients and contain high amounts of fiber with 6 or 7 grams of prebiotic fibers per serving. Their protein content runs between 5 and 7 grams and is made up of nuts, gluten-free oats, chia seeds.

They have no added sugar and are sweetened by dates. Some flavors also contain additional fruits. They also contain Bacillus coagulans, a type of beneficial bacteria that is similar to the lactobacillus and other probiotics. This bacteria works as a probiotic and has been found to help curb gas, constipation, and diarrhea

Also, be aware there have been some side effects reported when taking the bacteria orally. They include allergic reactions. Women pregnant and nursing should not take this bacteria since there is not enough research on its effects on this population.

B. coagulans may interfere with antibiotics and immunosuppressant medications. It has been shown to be safe when taken orally for a period of six months or less. There were no reactions reported when taken as directed. Research does not show if the same things happen when it is put in foods. So proceed with caution and talk to your doctor before trying these bars.

Raw Revolution
Variety Pack of Raw Revolution High Fiber Protein Bars | Root Nutrition Education & Counseling

Raw Revolution bars have double and triple the fiber content of other gluten-free protein bars. This is because they contain a large number of high fiber foods such as hemp protein, chia seeds, and flax seeds. It also has prebiotic fiber from tapioca. This gives these bars between 13 and 14 grams of fiber per serving.

The sugar content runs from 2 to 5 grams per serving and comes from cane sugar. As the name states, the ingredients include raw whole food sources such as raw organic chia seeds, raw organic sprouted flax, and raw organic hemp protein. They also offer a good amount of protein ranging from 10 to 15 grams per serving depending on the flavor. They are suitable for those who are vegan or looking for a plant-based protein bar.

Seitenbacher Bars


Yellow wrapper on the Seitenbacher High Fiber Protein Bars | Root Nutrition Education & Counseling

Seitenbacher Bars are gluten-free protein bars made with milk from free-range cows in the Swiss Alps. It contains almonds and is coated with German chocolate. This bar offers a high fiber snack with 14 grams per serving that comes from beets and hazelnuts. They are sweetened with cane sugar and have 13 grams of sugar per serving. The protein content is adequate with 16 grams of protein coming from the milk protein. The milk is mechanically filtered; this mild treatment guarantees a less processed protein, which is rich in whey protein as well as casein. One thing to note is this product contains GMO-free soy lecithin which is a soy product. If you are concerned about soy content then you would want to avoid this bar. They also come in strawberry and vanilla flavors.

Primal Thin

Primal Thin is a bar that has just 4 ingredients: organic grass-fed whey protein, prebiotic tapioca fiber, sunflower butter, and monk fruit extract. It is a high protein bar with 20 grams of protein and 18 grams of fiber.  Monk fruit has been found to bothersome to some individuals. Learn more about monk fruit.

R.E.D.D. Plant-Based Protein Bars

R.E.D.D. Plant-based Protein Bar Protein Variety Pack High Fiber Protein Bars | Root Nutrition Education & Counseling
R.E.D.D. Plant-Based Protein Bars are a higher fiber bar. These are a little controversial for some age populations and should be avoided in those on certain medications. The tapioca fiber, chia seeds, hemp protein, and pumpkin seed protein are what help give this bar a higher fiber content (7 to 12 grams fiber per serving).

This bar has its own superfood blend the includes Maca Root Powder, Cordyceps Mushroom Powder, Reishi Mushroom Powder, Chaga Mushroom Powder, Goji Berry Powder, Acai Powder, Turmeric. It is sweetened with monk fruit extract and has between 3 and 5 grams of sugar per serving depending on the bar. 

This bar also contains Bacillus Coagulans. This bacteria works as a probiotic and has been found to help curb gas, constipation, and diarrhea.  There have been some side effects reported when taking the bacteria orally. They include allergic reactions.

Women pregnant and nursing should not take this bacteria since there is not enough research on its effects on this population.

B. coagulans may interfere with antibiotics and immunosuppressant medications. It has been shown to be safe when taken orally for a period of six months or less. There were no reactions reported when taken as directed. Research does not show if the same things happen when it is put in foods. So proceed with caution and talk to your doctor before trying these bars.

Final Thoughts on High Fiber Protein Bars below

These bars can be a good substitute for protein intake when on the go but they are no replacement for a healthy diet. It is important to get adequate nutrient intake from other protein sources and vegetables on a daily basis.

See Our other Picks for Gluten-Free Protein Bars below

Want to know what to look for in a protein bar? Check out the post below

The information on this website has not been evaluated by the Food & Drug Administration or any other medical body. All website services, content, and products are shared for informational purposes only. Root Nutrition & Education and Jnettk LLC cannot provide medical advice, diagnosis, or treatment. Consult your doctor or healthcare provider before making changes to your supplement regimen or lifestyle. Learn more in our disclaimer.

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