The fiber and antioxidants in sweet potatoes are advantageous to gut health.

The fiber and antioxidants in sweet potatoes are advantageous to gut health.

Promote Gut Health
The fiber and antioxidants in sweet potatoes are advantageous to gut health.

Sweet potatoes contain two types of fiber: soluble and insoluble (8Trusted Source).

Your body cannot digest either type. Therefore, fiber stays within your digestive tract and provides a variety of gut-related health benefits.

Certain types of soluble fiber — known as viscous fibers — absorb water and soften your stool. On the other hand, non-viscous, insoluble fibers don’t absorb water and add bulk (9Trusted Source).

Some soluble and insoluble fibers can also be fermented by the bacteria in your colon, creating compounds called short-chain fatty acids that fuel the cells of your intestinal lining and keep them healthy and strong (10Trusted Source, 11Trusted Source).

Fiber-rich diets containing 20–33 grams per day have been linked to a lower risk of colon cancer and more regular bowel movements (12Trusted Source, 13Trusted Source, 14Trusted Source).

The antioxidants in sweet potatoes may provide gut benefits as well.

Test-tube studies have found that antioxidants in purple sweet potatoes promote the growth of healthy gut bacteria, including certain Bifidobacterium and Lactobacillus species (15Trusted Source, 16Trusted Source).

Greater amounts of these types of bacteria within the intestines are associated with better gut health and a lower risk of conditions like irritable bowel syndrome (IBS) and infectious diarrhea (17Trusted Source, 18Trusted Source, 19Trusted Source).

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