3 Drinks That Cause Bloating (and What to Have Instead)

When people look for the cause of their bloating, they tend to focus on food. But some of the most common drinks you're reaching for every day can quietly make bloating worse — sometimes more than what you ate. Here are the three biggest culprits and what to have instead.

1. Fizzy drinks (including sparkling water and diet sodas)

Carbonated drinks are one of the most direct causes of bloating because they pump gas straight into your stomach. Every bubble you swallow has to go somewhere. Regular sodas add sugar on top, which ferments in your gut. Diet versions swap sugar for sweeteners like aspartame or acesulfame-K, which can still disrupt gut bacteria over time.

And yes, this includes sparkling water. It's far better than soda in almost every way, but the carbonation still adds gas. If you're consistently bloated and drink a lot of sparkling water, it's worth switching to still for a week to see if it helps.

What to drink instead: Still water is the gold standard. Add lemon, cucumber or fresh mint if you want more flavour. Herbal teas — especially peppermint and ginger — are soothing and actively help with digestion.

2. Alcohol (especially beer)

Beer is a double hit: carbonation adds gas, and the fermentable carbs in beer feed gut bacteria and produce more. Wine and spirits bloat less than beer, but alcohol in general slows digestion, relaxes the muscle that keeps stomach contents down (which can cause reflux), and irritates the gut lining. The day after a night of drinking, you often wake up puffy and sluggish — that's your gut reacting.

What to drink instead: Still water between alcoholic drinks helps. If you want to cut back on beer specifically, a light wine or a spirit with still water tends to be gentler on your stomach.

3. Too much coffee (especially on an empty stomach)

Coffee stimulates digestion — for many people it gets things moving in the morning, and that's fine. But too much coffee, or coffee on an empty stomach, can irritate the gut lining, speed up gut motility in a way that causes cramping, and for some people trigger bloating. The acidity doesn't help either.

What to drink instead: You don't need to cut coffee out — just have it with or after breakfast rather than before, and see if reducing to one or two cups makes a difference. Green tea gives you a gentler caffeine hit and is easier on most guts.

The most underrated drink for your gut: water

Boring, but true. Staying well hydrated helps digestion, prevents constipation (a major cause of bloating), and helps your body flush excess sodium. Most people don't drink nearly enough. Sip steadily through the day rather than in large amounts at once.

For the full picture on what's behind your bloating, see our guide on why you're bloated all the time and the list of foods that commonly trigger it. Or if you'd like a simple day-by-day plan that covers both food and drink, my free 7-day anti-bloat plan is a good place to start.

Frequently asked questions

Does sparkling water cause bloating?

For some people, yes — the carbonation adds gas to your stomach just like other fizzy drinks. It's far better than soda, but if you're sensitive, switching to still water for a week often helps.

Is coffee bad for bloating?

Not necessarily — it depends on how much you drink and when. A moderate amount with food is fine for most people. A lot of it on an empty stomach can irritate your gut and cause cramping or bloating.

What drinks help with bloating?

Still water, peppermint tea and ginger tea are the top three. They're hydrating, non-gassy, and genuinely help calm digestion.