One of the most prevalent fiber-boosting ingredients is inulin. Like any fiber, it can cause gas, bloating and abdominal pain if consumed too quickly or in large quantities. Many of my clients who have complained about digestive discomfort don't realize how much inulin they're consuming each day.

What are the side effects of taking inulin?

The most common side effects include gas, bloating, diarrhea, constipation, and cramps. These side effects are more severe with high doses of inulin (more than 30 grams).

Why does inulin make you fart?

Inulin side effects. Inulin is a very gassy fiber because it is fermented by gut bacteria, which produce gas as they break it down. This gas accumulates in the colon, and it can cause significant discomfort.