Best Acacia Fiber Supplements (2026)
Acacia fiber (also known as gum arabic) is a soluble prebiotic fiber harvested from the sap of the Acacia senegal tree. Unlike harsher fiber supplements that cause bloating and gas, acacia fiber ferments slowly in the colon, making it one of the gentlest fiber options for sensitive stomachs. It supports gut health, regularity, and beneficial bacteria growth while being virtually tasteless and easy to mix. These are the best acacia fiber supplements available.
Quick Comparison
| Product | Key Ingredient | Form | Best For | Rating |
|---|---|---|---|---|
| Advanced Acacia Fiber Powder 16oz | Organic Acacia Fiber (Nexira Patented) | Powder | Best Overall | 9.5/10 |
| NOW Foods Organic Acacia Pure Powder | Certified Organic Acacia Fiber | Powder | Best Trusted Brand | 9.3/10 |
| Nutricost Organic Acacia Fiber Powder | USDA Organic Acacia Fiber 3g/serving | Powder | Best Value | 9.2/10 |
| Sari Foods Organic Acacia Fiber Powder | 100% Organic Acacia Senegal | Powder | Best Premium Organic | 9.1/10 |
| Advanced Acacia Fiber Powder 24oz | Organic Acacia Fiber (Nexira Patented) | Powder | Best for IBS | 9.0/10 |
| SuperDosing Organic Acacia Senegal Capsules | Organic Acacia Senegal Fiber | Capsules | Best Capsule Option | 8.9/10 |
| Prebiotic Fiber 5-in-1 Capsules | Acacia + XOS + GOS + FOS + Inulin | Capsules | Best Multi-Fiber Blend | 8.8/10 |
1. Advanced Acacia Fiber Powder 16oz – Best Overall
No products found.
Advanced Acacia uses Nexira’s patented acacia fiber — the world’s leading acacia producer — in a pure, tan-colored organic powder that preserves maximum prebiotic nutrients.
This is not your typical white, over-refined acacia powder. The natural tan color indicates minimal processing, which preserves more of the gut-restoring nutrients found in raw acacia. The formula uses Nexira’s patented ingredient, backed by over 40 scientific validations for digestive health. USDA organic, cGMP manufactured, and completely free of additives. The 16oz size provides approximately 30 days of use at the recommended 2 tablespoons per day. Mixes smoothly into any beverage without affecting taste or texture. Includes email support from gut health coaches.
- Pros:
- Nexira patented acacia fiber — science-backed and clinically substantiated
- Minimally processed tan powder preserves natural nutrients
- Flavorless, dissolves easily, no gas or bloating
- Cons:
- 16oz may not last a full month for those using higher doses
- Higher price per ounce than bulk alternatives
Best for: Anyone seeking a premium, science-backed acacia fiber for daily gut health support
2. NOW Foods Organic Acacia Pure Powder 12oz – Best Trusted Brand
- HIGHLY SOLUBLE, MIXES INSTANTLY: Acacia fiber is a type of soluble fiber harvested from the sap of the Acacia tree, which is native to parts of Africa, Pakistan, and India
- RICH IN GENTLE FIBER: Soluble fiber, as part of the diet, can help to encourage intestinal regularity.* It also acts as a prebiotic that supports the vitality of the microorganisms that help maintain a healthy GI environment*
- INTESTINAL HEALTH*: Acacia Powder is well tolerated and can be used daily
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
- Packaged in the USA by a family owned and operated company since 1968
NOW Foods delivers certified organic acacia fiber in a highly soluble powder that mixes instantly, backed by one of the most trusted names in the supplement industry.
NOW Foods has been a leader in natural supplements for over 50 years, and their acacia powder reflects that quality standard. The certified organic formula dissolves instantly in water or any beverage, acting as both a gentle soluble fiber source and a prebiotic that feeds beneficial gut bacteria. The 12-ounce container provides a solid month-plus supply. Non-GMO Project Verified with clean, simple ingredients — just pure acacia powder. Well-tolerated for daily use even by those with sensitive digestive systems.
- Pros:
- Certified organic and Non-GMO Project Verified
- Trusted brand with 50+ years in the industry
- Highly soluble — mixes instantly without clumping
- Cons:
- 12oz size is smaller than some competitors
- White powder may indicate more processing than tan alternatives
Best for: Users who want a reliable, organic acacia fiber from a nationally recognized brand
3. Nutricost Organic Acacia Fiber Powder 2 LB – Best Value
- 2 Pounds Of USDA Certified Organic Acacia Fiber Powder
- Great Source of Fiber!
- 3 Grams Of Organic Acacia Fiber Per Serving; Scoop Included
- Non-GMO, Gluten Free, Vegetarian Friendly
- Made In A GMP Compliant, FDA Registered Facility
Nutricost’s 2-pound bag of USDA-certified organic acacia fiber delivers exceptional value with 3g of fiber per serving and a convenient scoop included.
At 2 full pounds, this is one of the largest acacia fiber containers available, making it the clear winner for long-term value. Each serving provides 3g of organic acacia fiber, and the included scoop makes measuring easy. USDA organic certified, non-GMO, and gluten-free. Nutricost is known for no-frills, quality supplements at aggressive price points, and this acacia fiber continues that tradition. The powder is unflavored and mixes cleanly into water, smoothies, coffee, or food.
- Pros:
- 2-pound bag — longest-lasting option at the best per-serving cost
- USDA organic, non-GMO, gluten-free
- Scoop included for easy daily measuring
- Cons:
- Bag packaging less convenient than jar or canister
- No additional prebiotic ingredients
Best for: Daily users who want the best long-term value on organic acacia fiber
4. Sari Foods Organic Acacia Fiber Powder 30oz – Best Premium Organic
- Premium Quality: Made from 100% Acacia senegal, not low-grade seyal. Sustainably grown and USDA organic, Sari Foods Acacia Fiber Powder is harvested at peak nutrition and carefully sourced for quality you can trust.
- Natural: A natural, food-based prebiotic that feeds good gut bacteria. Free from additives, flavors, sweeteners, and odors. Unhydrolyzed and easy to digest for a clean, simple way to support digestive health.
- Gentle, Whole-Food Fiber: With micro and macro nutrients your body recognizes, acacia fiber is a gentle alternative to synthetic laxatives and is well-tolerated thanks to its slow fermentation in the colon.
- Feel Full, Look Your Best: Helps support healthy weight and skin by nurturing gut microbes. A good source of soluble fiber to keep you satisfied and reduce cravings between meals.
- RECOMMENDED DAILY. One heaping teaspoon mixed into water, a smoothie, or your favorite savory dish.
Sari Foods uses exclusively Acacia senegal (the premium species) in a 30-ounce container, sustainably grown and USDA organic with no additives or sweeteners.
Not all acacia fiber is created equal. Sari Foods specifies that they use 100% Acacia senegal — the superior species with higher prebiotic content — rather than the cheaper Acacia seyal variety found in some competitors. The 30-ounce container provides excellent value for a premium product. Sustainably sourced, USDA organic, and completely free from additives, flavors, sweeteners, and odors. The unhydrolyzed formula preserves natural micro and macro nutrients for maximum prebiotic benefit. Slow fermentation in the colon means gentle digestion without the gas associated with other fibers.
- Pros:
- 100% Acacia senegal — the premium species
- 30oz generous container size
- Sustainably sourced, zero additives, unhydrolyzed
- Cons:
- Premium price point compared to generic acacia powders
- Powder only — no capsule option from this brand
Best for: Users who want the highest-grade Acacia senegal with transparent sourcing
5. Advanced Acacia Fiber Powder 24oz with Scooper – Best for IBS
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The 24oz version of Advanced Acacia comes in a reusable jar with a measuring scooper and 60 days of email support from gut health coaches — ideal for IBS management.
This product uses the same premium Nexira-patented acacia fiber as the 16oz version but in a larger container with a measuring scooper for precise dosing. What sets it apart is the included 60 days of email support from gut health coaches — a unique value-add for those navigating IBS or chronic digestive issues. The organic, slow-fermenting acacia is specifically chosen for its gentle action on sensitive digestive tracts. The reusable jar format is more convenient than bags for daily kitchen use. USDA organic with multiple quality verifications.
- Pros:
- Includes scooper and 60 days of gut health coaching support
- Nexira patented organic acacia — clinically substantiated
- Reusable jar format ideal for daily kitchen use
- Cons:
- Higher price reflects the added coaching support
- Same brand as #1 pick — limited brand diversity
Best for: IBS sufferers who want premium acacia fiber with professional gut health guidance
6. SuperDosing Organic Acacia Senegal Capsules 300ct – Best Capsule Option
- GUT-FRIENDLY! Don't let anything take over your life. Acacia senegal, or gum arabic, gives your own good gut bacteria the fiber that helps regulates digestion.
- CONVENIENT CAPSULES FOR ON-THE-GO FIBER! Forget about mixing prebiotic powder into food or drinks. With quick, flavorless pills, leave worries behind and find solace wherever life takes you.
- GUARANTEED FOR LIFE. We offer a No-Nonsense Lifetime Satisfaction Guarantee on our dietary supplements. If at any point you're not 100% happy, just send us an email, and we promise to make it right!
- PREBIOTIC PROMOTES GUT BIOME HEALTH. Acacia fiber is like fertilizer for your microbiome! Good gut flora promotes bowel stability.
- ORGANIC INGREDIENTS FOR NATURAL NUTRITION. These tabs are vegan, GMO-free and allergen-free: no soy, lactose or gluten!
For those who prefer capsules over powder, SuperDosing delivers organic acacia senegal fiber in 300 easy-swallow capsules with a lifetime satisfaction guarantee.
Not everyone wants to mix powder into drinks, and SuperDosing solves that with their capsule-format acacia fiber. Each capsule contains pure organic Acacia senegal with hypromellose (vegetarian capsule) and purified water — nothing else. The 300-capsule count provides exceptional value and longevity. The capsules are flavorless and easy to swallow, eliminating the texture and mixing concerns that come with powder formats. SuperDosing backs every bottle with a lifetime satisfaction guarantee.
- Pros:
- 300 capsules — massive supply in capsule format
- Organic Acacia senegal with minimal ingredients
- Lifetime satisfaction guarantee
- Cons:
- Capsules deliver less fiber per serving than powder scoops
- Need multiple capsules to match powder dosing levels
Best for: Users who want acacia fiber in capsule form for convenience and portability
7. Prebiotic Fiber 5-in-1 Capsules – Best Multi-Fiber Blend
- TIME TO FEEL GOOD AGAIN : Our 5X prebiotic fiber supplement blend helps promote a more optimal digestive and gut environment which can increase energy levels and support immune function.
- ONLY QUALITY FORMS : 5X Prebiotic Fiber Complex is formulated with 5 premium forms of soluble fiber to fuel the growth and diversity of beneficial bacteria in the digestive system allowing for better absorption of nutrients and essential amino acids.
- LEVEL UP YOUR FIBER SUPPLEMENT : Each serving(two caps) of this unique prebiotic fiber blend contains XOS, GOS, FOS(from Jerusalem Artichoke), Acacia Fiber(Sap), and Inulin(Agave). Does your fiber supplement offer diverse forms like these?
- A BRAND YOU CAN COUNT ON : No unnecessary fillers, tricky-wordings to make you question what is inside. Made in the USA, Lab tested
- QUALITY GUARANTEED: We want you to be 100% satisfied with our products. Try it for 30 days, if you are not delighted, you get a full refund. No questions asked.
This 5-in-1 formula combines acacia fiber with XOS, GOS, FOS, and inulin for comprehensive prebiotic diversity that feeds multiple strains of beneficial gut bacteria.
Different prebiotic fibers feed different beneficial bacteria strains, and this formula covers the bases by combining five distinct fiber types. Acacia fiber serves as the gentle, slow-fermenting base, while XOS (xylooligosaccharides), GOS (galactooligosaccharides), FOS (fructooligosaccharides), and inulin provide additional prebiotic diversity. The capsule format makes dosing simple, and the multi-fiber approach is supported by research showing that diverse prebiotic intake promotes a more robust and resilient gut microbiome.
- Pros:
- Five different prebiotic fibers for maximum microbiome diversity
- Convenient capsule format — no mixing required
- Research-backed approach to prebiotic supplementation
- Cons:
- Individual fiber doses lower than standalone supplements
- FOS and inulin may cause more gas than acacia alone
Best for: Users who want broad prebiotic diversity beyond acacia fiber alone
8. Advanced Acacia Fiber Powder 2.5 LB (40oz) – Best Bulk Size
- This advanced fiber supplement powder supports elimination of junk in the gut, regulates bowel health & supports GI leaky gut. Clinically substantiated for optimal gut health.
- Next level acacia fiber for faster support of gut health and leaky gut. Purity you will feel to support normal, easy bowel movements. Multiple verifications, see the seals in the images.
- Whether your goal is to have easy regularity and support the gut lining, increase soluble fiber or good bacteria (aka probiotics), this fiber with all its gut restoring nutrients intact can help.
- This advanced soluble fiber supplement supports cleansing of the gut, banishing toxins, supporting GI leaky gut restoration and optimizing bowel health. Soluble fiber provides solid results.
The largest size from the Advanced Acacia line, this 2.5-pound container delivers months of premium Nexira-patented acacia fiber at the lowest cost per serving.
For committed daily users, the 40oz bulk size offers the best per-serving economics in the premium acacia fiber category. Same Nexira-patented formula, same USDA organic certification, same minimally processed tan powder — just significantly more of it. This size is ideal for households where multiple family members use acacia fiber or for individuals who have established their daily routine and want to buy in bulk. Clinically substantiated for leaky gut repair, regularity, and digestive health support.
- Pros:
- 2.5 pounds — best bulk value for premium acacia fiber
- Same Nexira-patented formula as smaller sizes
- Lowest per-serving cost in the premium tier
- Cons:
- Large container takes up significant storage space
- Long usage period means ensuring proper storage to maintain freshness
Best for: Committed daily users who want premium acacia fiber at the best bulk price
How to Choose the Best Acacia Fiber Supplement
The most important distinction is the species of acacia used. Acacia senegal is the premium species with the highest prebiotic content and best research support. Some products use Acacia seyal, which is cheaper but offers fewer benefits. Look for labels that specify the senegal species or use the term “gum arabic” from verified sources.
Powder vs. capsules is largely a personal preference. Powder delivers more fiber per serving (typically 3g to 6g per scoop) and mixes invisibly into beverages and food. Capsules are more convenient for travel and on-the-go use but deliver less fiber per dose — you may need 6 to 10 capsules to match a single powder serving. Most serious acacia fiber users prefer powder for this reason.
Look for organic certification (USDA Organic) and minimal processing. Tan-colored acacia powder indicates less refinement and more retained nutrients compared to pure white powder. Third-party testing, cGMP manufacturing, and clean labels (no fillers, additives, or sweeteners) are standard quality markers for premium products.
Start with a lower dose (one tablespoon or about 3g daily) and gradually increase to the recommended two tablespoons (6g) over one to two weeks. Even though acacia fiber is much gentler than other fibers, gradual introduction helps the gut microbiome adjust smoothly.
Frequently Asked Questions
What is acacia fiber and what does it do?
Acacia fiber is a natural soluble fiber harvested from the sap of Acacia trees, primarily Acacia senegal, native to parts of Africa. It acts as a prebiotic, feeding beneficial gut bacteria and promoting the production of short-chain fatty acids that support gut lining integrity, reduce inflammation, and improve digestive regularity. Unlike many fiber supplements, acacia ferments slowly in the colon, which minimizes gas and bloating.
How much acacia fiber should I take daily?
Most recommendations range from 3g to 10g (one to two tablespoons of powder) daily. Start with 3g and gradually increase over one to two weeks. Clinical studies have used doses up to 10g to 30g daily for specific conditions, but most general health benefits are achieved at 5g to 10g per day.
When is the best time to take acacia fiber?
Acacia fiber can be taken at any time of day with or without food. Many users prefer taking it in the morning mixed into coffee, smoothies, or water to support regularity throughout the day. It can also be taken before meals to promote a feeling of fullness. Because it doesn’t cause bloating, timing is flexible.
Are there any side effects of acacia fiber?
Acacia fiber is one of the gentlest fiber supplements available and is very well tolerated. Mild bloating or gas can occur when first starting, particularly at higher doses, but this typically resolves within a few days as the gut microbiome adjusts. Acacia fiber does not typically cause the cramping or digestive urgency associated with psyllium or other harsh fibers.
Can I take acacia fiber with other supplements?
Yes. Acacia fiber pairs well with probiotics (it acts as a prebiotic food source), digestive enzymes, and other gut health supplements. It can also be combined with other fiber types like inulin or psyllium for broader fiber diversity. Take acacia fiber at least one hour apart from medications, as soluble fiber may slow absorption of certain drugs.
How long does it take for acacia fiber to work?
Most users notice improvements in regularity and digestive comfort within three to seven days of consistent use. Prebiotic effects on the gut microbiome develop over two to four weeks as beneficial bacteria populations grow. Long-term benefits for gut lining repair and inflammation reduction may take four to eight weeks of daily use.
