The Health Benefits of Acacia Fiber or Gum Arabic

acacia fiber powder
Cathy Wong
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Rich in soluble fiber, acacia fiber is sourced from the sap of the Acacia Senegal tree, a plant native to parts of Africa, Pakistan, and India. Also known as gum arabic and acacia gum, acacia fiber is said to offer a number of health benefits.

When used in powder form, acacia can be stirred into water and consumed as a beverage. Some people prefer acacia to other forms of fiber because it isn't gritty, doesn't thicken, and has a fairly mild taste. The powder can also be mixed into smoothies and other beverages.


Due to its high soluble fiber content, acacia fiber is thought to help lower cholesterol levels, keep blood sugar in check, protect against diabetes, and aid in the treatment of digestive disorders such as irritable bowel syndrome (IBS). Soluble fiber (one of the main types of dietary fiber) dissolves in water and forms a gel-like substance in the intestines.

In addition, acacia fiber is said to suppress appetite, reduce gut inflammation, alleviate constipation, relieve diarrhea, and support weight loss efforts (by helping you stay full for longer).

Acacia fiber is also said to be prebiotic (a non-digestible food ingredient in dietary fiber that can stimulate the growth of beneficial bacteria in the intestines).

Health Benefits

Although very few studies have tested the health effects of acacia fiber, there's some evidence that it may offer certain benefits.

Eases Irritable Bowel Syndrome Symptoms

Free of substances such as gluten and artificial sweeteners that can be problematic for some people, acacia fiber may help relieve IBS symptoms. In a study published in 2012, researchers determined that yogurt enriched with acacia fiber and the probiotic Bifidobacterium lactis (B. lactis) could help ease IBS symptoms.

Study participants consumed the yogurt twice daily for eight weeks. Both those with constipation- and diarrhea-predominant IBS showed an improvement in IBS symptoms and bowel habit satisfaction, compared to those who took a control product.

In clinical practice guidelines published in 2020, the American Gastroenterological Association recommends probiotics be used to manage IBS symptoms only in the context of a clinical trial.

Aids in Weight Management

Preliminary research suggests that acacia fiber may help to reduce body mass index (BMI) and body fat percentage. For one study, healthy women took either gum arabic or a placebo daily. At the end of the six-week study period, those who had taken the gum arabic had a significant reduction in BMI and body fat percentage.

A study published in the journal Appetite found that gum arabic decreased caloric intake three hours after consumption, and increased feelings of satiety.

May Help With Fecal Incontinence

A study compared the effects of three types of dietary fiber (carboxymethylcellulose, psyllium, and gum arabic) in people with fecal incontinence. All participants took one of the fiber supplements or a placebo for 32 days. Only psyllium supplementation was found to significantly decrease the frequency of incontinence. Quality of life ratings didn't differ between the groups.

May Lower Cholesterol

When it comes to keeping your cholesterol in check, preliminary studies suggest that getting your fill of soluble fiber may have an impact. In one study, for instance, investigators analyzed the available research on acacia fiber and found that it appears to reduce cholesterol levels in rats.

Helps Manage Diabetes

Dietary fiber plays a role in regulating blood sugar. While there's little clinical research on acacia fiber and diabetes, preliminary research suggests that the fiber may help protect against certain diabetes-related complications. In an animal-based study published in 2012, scientists performed tests on diabetic mice and determined that treatment with acacia fiber helped lower blood pressure.

Supports Liver Health

Animal-based research indicates that acacia fiber may help guard against liver damage caused by acetaminophen. One study found that treating mice with acacia fiber prior to administering acetaminophen helped protect their livers from the drug's toxic effects. According to the study's authors, acacia fiber may help combat liver damage by reducing oxidative stress.

Side Effects

When consuming acacia fiber, or any type of fiber-rich supplement, be sure to gradually increase your intake and get enough fluids to protect against side effects commonly associated with high doses of fiber, such as gas, bloating, constipation, and cramps. Side effects reported in studies include early morning nausea, mild diarrhea, and abdominal bloating, particularly during the first week.

Due to a lack of research, little is known about the safety of long-term use of high doses of acacia fiber. Keep in mind that acacia fiber shouldn't be used as a substitute for standard care in the treatment of a health condition. If you're considering using acacia, talk to your healthcare provider before starting your supplement regimen.

Supplements haven't been tested for safety and due to the fact that dietary supplements are largely unregulated, the content of some products may differ from what is specified on the product label. Also keep in mind that the safety of supplements in pregnant women, nursing mothers, children, and those with medical conditions or who are taking medications has not been established.

What to Look For

Widely available for purchase online, acacia powder is sold in many natural-foods stores. It is typically sold as a powder, but is also available in tablet, capsule, or gum form. It's also found in food products such as breakfast cereals, grain-based bars, and baked goods. As a natural emulsifier (it can mix substances that normally don't mix well together), acacia is also used as an ingredient in soft drinks, candy, and medications.

A Word From Verywell

While further research is needed to find out whether acacia can help treat various conditions, getting enough soluble fiber in your diet can promote health and protect against heart disease and diabetes. Soluble fiber is also found in oatmeal, nuts, apples, barley, beans, and blueberries. A number of other natural substances are rich in soluble fiber. These include flaxseed, carob, glucomannan, and psyllium.

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