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Side effect

Gas on GLP-1 medicines: what helps

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Photo: Ella Olsson / Unsplash

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Gas on GLP-1s

More gas on a GLP-1 is common, and the high-fiber, high-protein foods people add to stay healthy can be part of the reason.

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Why it happens

When food moves slowly, gut bacteria have more time to ferment it, which makes gas.

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When it shows up

Gas tends to show up in the first weeks and after dose steps, along with other stomach effects that were mostly mild to moderate in trials.

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What helps

Add fiber-rich foods slowly over 1 to 2 weeks.

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What helps

Try a different protein powder if one seems to trigger gas.

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Call your doctor if

Gas with severe or lasting belly pain.

Want the full picture?

Flatulence appears in GLP-1 label tables and usually reflects slower digestion and diet changes. It is more embarrassing than harmful for most people.

Tap below for the full page. Not medical advice; talk to your clinician about your care.

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