The Festive Foods Making You Gassy

Christmas bloating turns up every year like that relative who arrives early, stays late, and somehow finishes the chocolates you were “saving for guests”. One minute you’re enjoying mince pies, celebration chocolate boxes and flowing bubbles, and the next you’re sitting there, belt undone, wondering if your stomach has started inflating for Boxing Day.

Here’s the truth: bloating happens when the digestive tract becomes filled with air or gas, and intestinal gas is one of the most common reasons you might be bloated. Releasing excess gas is normal—awkward, yes, but normal. In fact, the normal amount of flatulence produced by a human would be around 13 to 21 times a day. If you’re over that, you’re not “broken”—you’re usually just doing Christmas at full volume.

And the good news is you can dial it back without living on dry crackers until the New Year.

What’s making you gassy and bloated in the first place?

1) Eating too fast

If you hoover your food like the last roast potato on earth, you swallow more air. More air in = more gas out. Slow down. Your plate isn’t sprinting away from you.

2) High fibre foods

Fibre is excellent—until you suddenly go from “some greens” to a Brussels-sprout-and-oats festival overnight. Culprits include Brussel sprouts, peas, oats, fruits and, of course, ‘beans beans the musical fruit, the more you eat the more…. you know’. Fibre ferments in the gut, and fermentation makes gas. That’s the deal.

3) Lactose intolerance

If you feel particularly bloated after a festive gingerbread latte or a cheese board, dairy may be the spark. Lactose intolerance can mean more wind, more bloating, more misery. Cutting down—or cutting out—can make a noticeable difference.

4) Too many bubbles

Carbonated drinks are a big contributor to flatulence. That includes the “harmless” 3 pm Diet Coca Colas and the evening Prosecco parade. Bubbles don’t always stay politely in the glass.

5) Sugary overload

Refined sugars are everywhere at Christmas, and sugary overload can worsen gas and bloating. If you’re rotating mince pies, candy canes, chocolates, gingerbread men and Christmas pudding like it’s a sport, your gut may respond with a protest of its own.

6) Multivitamins (and a few common meds)

Winter often means a heavier supplement routine—and sometimes more painkillers. Some medications including Ibuprofen, multivitamins and iron supplements can cause gas, so check the side effects before you get any surprises.

How to avoid gas and bloating in the future (without cancelling Christmas)

Keep the party—lose the pressure

Everything is best in moderation. Yes, that includes the treats. Cut down where you realistically can. Your gut is not asking for perfection; it’s asking for mercy.

Add fibre, but do it ‘slowly’

Fibre helps bowel function, but too much too quickly can backfire and increase bloating. The key is ‘slowly’. Build up over days and weeks, not one heroic Christmas lunch.

Choose your drinks like an adult

Opt for water more often. Reduce fizzy drinks. And consider whether you truly need that third glass of Prosecco. Avoiding carbonated drinks will reduce your bloat—simple as that.

Peppermint tea: the quiet fixer

Peppermint tea can help digestion and may ease gut spasms, which can reduce discomfort when you’re bloated and crampy. It’s not magic, but it’s often a sensible, low-effort move.

Move your body (even a little)

Exercise regularly. It supports gut motility and helps move trapped gas along. No, you don’t need a heroic gym session between present-wrapping and family politics—go for a brisk walk, do a short home workout, take the stairs. Movement counts.

Cut the sneaky air-swallowing habits

Smoking, chewing gum, and drinking through a straw can all increase swallowed air, which can increase gas. If Christmas bloating is your recurring December tradition, these are easy habits to tighten up.

Over-the-counter options (use common sense)

Some people find relief using antacids, heartburn tablets and even charcoal tablets (Google them!). If you’re on other medication, pregnant, or have chronic gut issues, check with a pharmacist or GP first.

When Christmas bloating is more than “just Christmas”

Most of the time, bloating and gas are perfectly normal and no cause for concern. However, if your bloating is accompanied by other symptoms such as nausea, vomiting and weight loss, it could indicate something more serious.

If you are concerned or would like professional advice, make an appointment with a GP.

This guidance is supported by Dr Seth Rankin, founder of London Doctors Clinic, part of the Doctors Clinic Group.

Quick-fire FAQ

How long does Christmas bloating last?
Often a few hours to a couple of days, depending on triggers (sugar, fizz, speed-eating, sudden fibre load).

What’s the fastest way to relieve trapped wind?
Gentle walking, hydration, slowing down at meals, and warm drinks like peppermint tea can help many people.

Is bloating after dairy a sign of lactose intolerance?
It can be. If bloating reliably follows milk, lattes, or cheese boards, trial reducing dairy and speak to a GP if it persists.

When should I worry about bloating?
If it comes with nausea, vomiting, weight loss, severe pain, persistent symptoms, or anything that feels out of character—seek medical advice.