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How to retrain a sensitive gut so you can eat veg again

- The GUT HEALTH GURU Dr Megan Rossi Follow Dr Megan Rossi: TheGutHeal­thDoc TheGutHeal­thDoctor

You know plants are good for you, but what if you’re one of the millions who suffer from a ‘sensitive’ stomach and they really just don’t agree with you? It’s actually quite common, with as many as 30 per cent of adults experienci­ng a sensitive gut at some point — whether it’s bloating, constipati­on, full-blown irritable bowel syndrome (IBS), or perhaps just a short-term upset stomach after a bug or course of antibiotic­s.

the long-term solution for many gut-related symptoms is to eat more plants but often when I suggest this to clients, the standard response is ‘I want to but I just can’t — they upset my gut’.

A lot of people associate plant foods (specifical­ly the fibre) with symptoms such as bloating, flatulence and heartburn. they say they have no problem with meat, fish and refined carbs, but if it has more fibre? Forget it.

they then shun these foods — and if they do consume them, their body isn’t used to it and so can’t digest them easily. So their symptoms pop back up, affirming their belief that there’s no way they can eat this food.

If this sounds like you, the good news is, in my 15 years as a clinical dietitian, I’ve yet to meet someone whose gut I can’t retrain.

Fear of fibre can look different to different people. It might be one specific vegetable, fruit, or wholegrain, or a bigger group such as pulses (e.g., chickpeas and lentils) or cruciferou­s veggies (cauliflowe­r, cabbage and Brussels sprouts).

If you have a condition such as IBS, you may have even been advised to limit a group of carbs packed with fibre called FoDMAPs (fermentabl­e oligosacch­arides, disacchari­des, monosaccha­rides and polyols), which are found in many plant foods.

But this really should only be for a few weeks to give your stressed gut some down time (and our research team at King’s College london has shown that cutting these foods longer term can reduce some beneficial anti- inflammato­ry bacteria, such as Bifidobact­eria).

In fact, we all experience some gas and bloating from plant foods, it’s a natural effect of healthy digestion. When our gut bacteria digest fibre from plants, along with the myriad of beneficial chemicals, they produce some gas. But two factors can make these symptoms worse.

Foods that are low in fibre are mostly digested higher up your gut thanks to digestive enzymes our gut cells produce. But they can’t produce the unique enzymes required for digesting fibre. that’s where those trillions of microbes in our intestines come in — they can produce these.

But your microbes need to produce enough of the right kind for the type of fibre you’re feeding them. And while your gut microbes are really clever at adapting to what you eat — give them a bit of time and they’ll figure out what enzymes you need — they need an early warning.

that’s why if you suddenly go from a very low-fibre diet to a plantrich one, you’re likely to feel it: bloating, gas and changes to bowel movements are to be expected. Your body will adjust with time, with symptoms lessening and disappeari­ng as your microbes adapt. It’s like avoiding exercise then suddenly hitting the gym and overdoing it: you’re going to be in pain for a few days. Far better to go regularly and increase your

weights slowly and steadily. the same goes for your fibre intake.

the goal for any healthy diet is plant- based diversity. Even if you’ve been advised to eliminate certain foods, I don’t recommend cutting them out for life (the exception of course is a diagnosed allergy or coeliac disease).

I’d suggest introducin­g whatever triggers your ‘ sensitive gut’ including IBS but very gradually, consistent­ly and in small portions — tiny in some cases.

For example, beans and pulses are a common struggle.

Start with half a tablespoon daily for the first week; in the second, increase to one tablespoon.

You want to feel a little gut activity, it’s a sign of your microorgan­isms hard at work, but if there’s too much, reduce it to one tablespoon every second day.

Slow and steady wins the race for desensitis­ing your gut. For most of my clients, the process takes around three months — in the long run this time is worth it, because just adding more plants into your daily diet can add an extra decade of life, according to a study published earlier this year by Bergen university in Norway.

THE second part of the puzzle is a relaxed gut. If you’re stressed, it’s going to put a strangle-hold on your gut, thanks to the two-way connection between your gut and brain. Essentiall­y, the millions of nerves connecting the two relay stress to your gut, which diverts energy (i.e., blood and nutrients) away from digesting your food.

In turn, your uptight gut becomes less efficient at absorbing gas and other chemicals produced during fibre digestion: usually the gas is absorbed across your gut wall into your bloodstrea­m and finally breathed out via your lungs but, because of reduced blood supply, it can get trapped in your gut — cue bloating and cramps.

this helps explain why on some days you’re fine with a particular higher-fibre food but, on other, stressier days, it’s instant pain.

For a relaxed gut you need a relaxed mind — and there are ways to approach meal times to send calming signals to your digestive system.

Yoga can be a game- changer. A 2017 study by the university of Duisburg- Essen in germany showed that two weekly sessions for 12 weeks of gut-directed yoga (including positions such as catcow, crocodile twist and happy baby) was as effective as the lowFoDMAPs diet for reducing symptoms such as bloating and pain in people with IBS. (Search for these three moves on Youtube, or see my book, Eat Yourself healthy.)

If that’s not possible, aim for a minute or two of ‘box’ breathing: breathe in through your nose for four seconds, hold for four, then slowly and steadily breathe out through your nose for four seconds, hold for four. And repeat.

A final thought: when the microbes in your newly relaxed gut start to digest the increased plants (and fibre) you’ll be eating, they’ll produce more short-chain fatty acids, nurturing chemicals that strengthen the gut lining, increasing the resilience of stressed and sensitive guts.

So, yes, it can take time, but your efforts will pay off with this science-backed approach, trust me!

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