What is Fibergum?

If you're exploring the world of prebiotics, you've probably encountered the usual dietary fibers: inulin, psyllium, and various resistant starches. But there's a gentler option that's been flying under the radar—fibergum, also known as acacia gum fiber or gum arabic.

Derived from the sap of the acacia tree, this soluble prebiotic fibergum has been used for centuries, but it's only recently gaining recognition for its unique gut health benefits. Here's why fibergum might be the prebiotic you didn't know you needed.

What is Fibergum?

Fibergum is a soluble, fermentable fiber that acts as food for the beneficial bacteria in your gut. Unlike some prebiotics that can cause bloating or digestive discomfort, fibergum is remarkably well-tolerated—even at higher doses.

The magic lies in how it's structured. Fibergum has a branched molecular structure that allows it to dissolve completely in water without thickening, and it ferments slowly in the colon. This slow fermentation is key: it means less gas production and a more comfortable experience for your digestive system.

Fibergum Health Benefits

Feeds Your Microbiome
Fibergum selectively nourishes beneficial bacteria like Bifidobacteria and Lactobacilli, helping to create a more balanced and diverse gut microbiome. A healthy microbiome supports everything from digestion to immune function to mood regulation.

Gentle on Digestion
Many people who struggle with other prebiotics find fibergum much easier to tolerate. It's particularly helpful for those with sensitive stomachs or conditions like IBS, as it tends to cause minimal bloating or gas.

Supports Regularity
As a soluble fiber, fibergum helps soften stool and promote regular bowel movements without the harsh effects of some other fiber supplements. It can be helpful for both constipation and diarrhea, as it helps normalize bowel function.

May Support Healthy Cholesterol Levels
Some research suggests that fibergum may help support healthy cholesterol levels, likely due to its effect on the gut microbiome and how the body processes fats.

The Oral Microbiome - Plaque & Gingivitis
In a study that looked at applying Acacia fiber gum to the mouth daily for 60 days to those with gingivitis, it resulted in reductions in inflammation in the gums. The study included that it was effective at treating plaque and gingivitis. 

How to Use Fibergum

Fibergum typically comes as a powder that dissolves easily in water, smoothies, coffee, or any beverage—it won't change the texture or taste. Most people start with about 5 grams per day and can gradually increase to 10 grams as their gut adjusts.

Pro tips for Fibergum:

• Start low and go slow to give your gut time to adapt

• Take it with plenty of water throughout the day

• Consistency is key—prebiotics work best when taken regularly

• It can be taken any time of day, with or without food

• Be patient with it, the real value with prebiotics often takes weeks 

Who Should Consider Fibergum?

Fibergum is a prebiotic that has a variety of potential uses. As always, chat with your provider and dietitian to sort through if it's a good fit for you specifically. However, fibergum is 100% soluble and dissolves in water which makes it a safer choice for those that may be monitoring fiber closer.

Fibergum might be especially helpful if you:

• Have a sensitive digestive system

• Want to support your gut health without digestive discomfort

• Are looking for a gentle fiber supplement

• Want to increase your prebiotic intake but can't tolerate other options

• Are managing IBS or other digestive concerns (always consult your healthcare provider)

• If you typically have texture issues with other prebiotics - this one dissolves

The Bottom Line

In a world of gut health trends, fibergum stands out for being both effective and exceptionally gentle. It's not flashy, but it works—quietly nourishing your microbiome and supporting digestive health without the drama.

If you've been hesitant to try prebiotics because of concerns about bloating or discomfort, fibergum from acacia might be the perfect place to start. As always, talk to your healthcare provider before starting any new supplement, especially if you have existing health conditions.

Your gut will thank you.

Where to Find Fibergum

Fibergum is one of the ingredients in our product- Back to Balance Plus. Fibergum is one of our favorite natural dietary fibers. Fibergum is one of the more sustainable prebiotics as well - it is from carefully selected Acacia and undergoes significantly less processing compared to others on the market. Back to Balance plus also includes one of the most well studied probiotic L. plantarum 299v with a count of 10 billion per serving. 

A Clean Label: Only Two Ingredients
Our Back to Balance Plus has just two ingredients and is free from additional fillers that many companies often add. We are big believers in knowing what's in products you take - so we 3rd party test our Back to Balance Plus at each stage. This means both ingredients seperately are tested before manufacturing and again once combined.

We also only source direct from the companies that produce our ingredients. Our fibergum specifically is sourced direct from the company nexria. 

Need more information? Leave us a note in the comments with what you'd like to see next on our content and blogs! 

Research

Gafar AM, Ramadan AM, ElSaid NA, Nurelhuda NM. Effect of Gum Arabic on plaque-induced gingivitis: A randomised controlled trial. Saudi Dent J. 2022 Sep;34(6):494-502. doi: 10.1016/j.sdentj.2022.06.002. Epub 2022 Jun 13. PMID: 36092515; PMCID: PMC9453537.

JanssenDuijghuijsen L, van den Belt M, Rijnaarts I, Vos P, Guillemet D, Witteman B, de Wit N. Acacia fiber or probiotic supplements to relieve gastrointestinal complaints in patients with constipation-predominant IBS: a 4-week randomized double-blinded placebo-controlled intervention trial. Eur J Nutr. 2024 Aug;63(5):1983-1994. doi: 10.1007/s00394-024-03398-8. Epub 2024 Apr 23. Erratum in: Eur J Nutr. 2025 Mar 22;64(3):135. doi: 10.1007/s00394-025-03586-0. PMID: 38653808; PMCID: PMC11329592.

Wang L, Li Y, Zhang YJ, Peng LH. Relationship between dietary fiber intake and chronic diarrhea in adults. World J Clin Cases. 2024 Jul 6;12(19):3692-3700. doi: 10.12998/wjcc.v12.i19.3692. PMID: 38994290; PMCID: PMC11235452.