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Good fiber Vs. Bad fiber (Part 2)

Good fiber Vs. Bad fiber (Part 2)

Fiber: Unique Fibers That Are Worth Highlighting

Fiber

Several fibers have specific health implications, and are worthy of highlighting.

Fiber: Fructans

Fiber

A fructan is the term used to describe a small chain of fructose molecules.

Oligofructose and inulin are the two main fructan varieties in the diet. They can feed the friendly bacteria in the gut, and have been shown to help treat certain types of diarrhea.

However, fructans are also classified as FODMAPs, types of carbohydrates known to cause digestive issues in many people.

In fact, fructans and other FODMAPs trigger adverse symptoms in 3 out of 4 people with irritable bowel syndrome, a common digestive disorder.

The biggest source of fructans in the modern diet is wheat.

Fiber: Beta-Glucan

Fiber

The health benefits of beta-glucans have been extensively documented. These fibers have a specific molecular structure that makes them highly viscous in the gut.

Beta-glucans can improve insulin sensitivity and lower blood sugar levels. They can also significantly reduce cholesterol levels and increase feelings of fullness.

The main food sources of beta-glucans are oats and barley.

Fiber: Glucomannan

Fiber

Glucomannan is a viscous fiber that is commonly marketed as a weight loss supplement.

Numerous studies have shown that glucomannan can cause modest weight loss, fight constipation and improve risk factors for heart disease.

Reference: Healthline

Collected by: Dr. Sara Bakhshaei

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