3 doctors weighed in:

Where does gut gas come from?

3 doctors weighed in
Dr. Joseph Woods
Pathology
2 doctors agree

In brief: Bacteria in gut.

Gut gas is really a byproduct of bacteria working on or breaking down ingested food that has reached the large bowel.
This food has already been acted on by enzymes from the pancreas and the stomach and small intestine, so some gas might be from that, but most is due to natural bacteria in the colon. The colon also removes much of the water content and helps give the contents their smell.

In brief: Bacteria in gut.

Gut gas is really a byproduct of bacteria working on or breaking down ingested food that has reached the large bowel.
This food has already been acted on by enzymes from the pancreas and the stomach and small intestine, so some gas might be from that, but most is due to natural bacteria in the colon. The colon also removes much of the water content and helps give the contents their smell.
Dr. Joseph Woods
Dr. Joseph Woods
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