Is turmeric for bloating worth a try? What the evidence really says

A tight, swollen stomach after lunch is one of the most common things people hope a daily turmeric habit will fix, so it's worth being clear about what the research does and doesn't show.

Turmeric for bloating has very little direct research behind it, so the closest evidence comes from indigestion. In a Bangkok trial of 132 people with functional dyspepsia, turmeric eased both pain and non-pain symptoms more than a placebo over four weeks, and worked about as well as omeprazole.

Key takeaways

• Bloating usually comes from gas, constipation, or how and what you eat, and the NHS self-help steps are the place to start.
• No trial has yet made bloating the main thing it tested turmeric against.
• The nearest evidence is for indigestion, where turmeric has outperformed a placebo and matched a standard indigestion medicine.
• Fruit-based shots contain natural sugars, and some people with IBS find certain fruits trigger symptoms.
• Bloating that keeps coming back, or comes with weight loss or bleeding, needs a GP, not a supplement.

What causes bloating in the first place?

Mostly trapped gas, and the reasons it builds up are usually ordinary ones.

Bloating is defined as a feeling of fullness, tightness, or swelling in the tummy, sometimes with a visibly larger waistline. The NHS guidance on bloating lists the usual causes: swallowing air, eating foods that produce gas, fizzy drinks, constipation, and food intolerances. It can also come from conditions such as coeliac disease and irritable bowel syndrome, IBS for short.

That matters for anyone reaching for turmeric, because the cause decides what helps. A bloated stomach from eating too fast needs something different from bloating driven by IBS, and neither is the same as bloating that doesn't go away.

What does the research say about turmeric for bloating?

It's encouraging for indigestion and still developing for IBS, with no trial yet built around bloating itself.

The best evidence comes from functional dyspepsia, the medical name for ongoing indigestion with no obvious cause. As well as the Bangkok trial above, a larger Thai trial of 206 people gave curcumin capsules, omeprazole (a common stomach acid medicine), or both for four weeks. Curcumin worked about as well as omeprazole, the improvement had grown further when symptoms were checked again a month later, and combining the two added nothing beyond either alone.

Those are meaningful results for a spice, and the "non-pain" symptoms the Bangkok trial measured are where feelings of fullness after eating tend to sit. But indigestion and bloating aren't the same complaint, so the honest reading is that turmeric has a promising track record for the stomach generally rather than a proven one for bloating specifically.

For IBS, the evidence is still developing. A review pooling three trials and 326 people with IBS found curcumin looked beneficial, but the result didn't reach statistical significance, so it's a direction to watch rather than an answer.

What helps bloating, according to the NHS?

Simple changes to how you eat and move, which is where to start before anything else.

The NHS suggests regular exercise, drinking plenty of water, eating smaller meals more often, and gently massaging your tummy. A pharmacist can recommend over-the-counter remedies such as simeticone for trapped wind.

If IBS is behind it, the NICE guidance on IBS is more specific. It suggests people with wind and bloating may find it helpful to eat oats and linseeds, up to one tablespoon of linseeds a day, and to limit fresh fruit to three portions of about 80g a day. It also says a low FODMAP diet should only be given by a healthcare professional with expertise in dietary management, and the British Dietetic Association recommends doing it with a dietitian rather than alone.

FODMAPs are defined as a group of short-chain carbohydrates that some people's guts struggle to absorb, which then ferment and produce gas. They're found in everyday foods including wheat, onions, beans, and some fruit.

Could a fruit-based shot make bloating worse?

For most people no, but if you have IBS it's worth knowing what's in the bottle.

Most turmeric shots, ours included, are built on fruit. Watermelon is one of the fruits Australian researchers measuring FODMAP content found contains more fructose than glucose, which is the pattern some people with IBS find harder to digest. That doesn't make a 60ml shot a problem for everyone, and plenty of people with sensitive stomachs take one happily. It does mean that if fruit is a known trigger for you, a shot belongs in the same conversation with your dietitian as the rest of your fruit.

A few things make a shot easier on a touchy stomach: take it with breakfast rather than on an empty stomach, sip it rather than knocking it back, and start with one every other day while your gut adjusts. Our guide to wellness shots and a sensitive stomach goes through this in more detail.

When is bloating a reason to see a GP?

When it keeps coming back, doesn't settle with changes to your diet, or comes with other symptoms.

The NHS advises seeing a GP if you keep getting bloated, if it doesn't go away after changing your diet, or if it comes with unexplained weight loss or blood in your poo. It's also clear that bloating that doesn't go away can be a sign of something more serious, such as ovarian cancer. NICE guidance on suspected cancer asks GPs to check persistent bloating carefully, particularly in women aged 50 and over.

None of that is a reason to worry about ordinary bloating after a big meal. It is a reason not to manage persistent bloating with turmeric, or any other food, while waiting to see if it passes.

Where does a daily turmeric shot fit?

As a daily habit for your wider wellbeing, not as a rescue remedy for a bloated afternoon.

Raw Turmeric Original has the most turmeric in our range, with raw turmeric root at 30%, in a cold-crushed, whole watermelon-based blend with pineapple and lemon, plus magnesium and vitamin C. It carries our trade-secret BioMax Uptake Blend®, which includes black pepper, at a 0.1% inclusion.

That's a long way from the measured capsule doses in the indigestion trials, and we'd rather say so than imply a shot is a stomach treatment. What it is, is an easy way to make turmeric part of every morning, which is the habit people tend to stick with. Independent researchers at Nottingham Trent University ran the first clinical trial of Raw Turmeric Original with professional footballers and found lower markers of inflammation and less soreness after matches. We're clearly not a neutral party, and that study was about recovery, not digestion.

For the wider picture on turmeric and your digestive system, see our guide to turmeric and gut health.

The takeaway

Turmeric for bloating is an idea the research hasn't caught up with yet. The trials that exist are for indigestion, and there turmeric has done well, outperforming a placebo and matching a standard medicine. For bloating itself, the NHS basics come first: eat a little slower, move a little more, and see your GP if it keeps returning.

If you'd like turmeric in your day for everything else it brings, the simplest way is one shot with breakfast. Raw Turmeric Original carries the most raw turmeric root in our range, and it's done before the kettle boils.

Frequently asked questions