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Reading: ‘I’m a Harvard-educated gut doctor – you need THESE four foods in your diet for digestion’
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Need To Know > Fitness and health > ‘I’m a Harvard-educated gut doctor – you need THESE four foods in your diet for digestion’
Harvard trained gut doctor reveals four digestion boosting foods kiwi papaya green bananas and guava all packed with enzymes fibre and resistant starch for better gut health.
Fitness and health

‘I’m a Harvard-educated gut doctor – you need THESE four foods in your diet for digestion’

Sam Coffey
Last updated: December 1, 2025 8:57 am
Sam Coffey Published December 1, 2025
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Dr. Sethi breaks down the four powerhouse foods that can help improve digestion. (Jam Press/@doctor.sethi)
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A Harvard-educated gut doctor has shared what foods you need to include in your diet to aid digestion – and it comes down to just four staples.

Dr Saurabh Sethi, a gastroenterologist trained at the prestigious medical school, often shares his advice and expertise with his 1.3 million followers on Instagram (@doctor.sethi).

And in a recent video, the 42-year-old shared his top tips when it comes to selecting foods to help aid digestion – and there are four in particular that he says we all need to prioritise.

READ MORE: Doctors said my baby could have died from a brain tumour – now we are looking forward to Christmas

First up, kiwis.

“Eat kiwis for your digestion because they contain actinidin, which is an enzyme that helps break down protein,” the California-based doctor told Need To Know.

Next up on the list of dietary essentials: papaya.

Harvard trained gut doctor reveals four digestion boosting foods kiwi papaya green bananas and guava all packed with enzymes fibre and resistant starch for better gut health.
Dr Saurabh Sethi. (Jam Press/@doctor.sethi)

Dr Sethi explained, “Eat papaya for your stomach, because papain supports digestion and reduces bloating.”

Unusually, the medical expert also suggests eating slightly green bananas, as this helps your gut microbiome due to the fact that they are high in resistant starch that supports healthy gut bacteria, as well as keeping blood sugar stable.

Finally, Dr Sethi suggests eating guava to aid in digestion.

(Jam Press/@doctor.sethi)

Guava is packed with fibre and vitamin C, both of which help support smooth and regular bowel movements.

Dr Sethi’s video was viewed 107,000 times, with over 2000 likes and 28 comments.

Previously, the California-based gastroenterologist shared what superfoods to eat to help clean your gut, with chia, flax and basil seeds all serving an important role in gut health.

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