Does beetroot help with liver health? What the research does and doesn't show

The evidence doesn't support beetroot as a general liver "detox," and European regulators specifically reviewed and rejected that exact framing for beetroot as unsubstantiated. Separately, beetroot's oxalate content is a real, specific reason for caution around kidney stones — not a benefit, a caution. One trial did find improved liver-enzyme and ultrasound results in people already diagnosed with fatty liver disease, but it's a single, unreplicated study, not a finding for a general or healthy population.

What the evidence doesn't support

It doesn't support beetroot "detoxing," cleansing, or generally supporting the liver in a healthy person — the specific claim that beetroot "promotes the body's detoxification processes" was reviewed and rejected as unsubstantiated by European Union regulators evaluating health claims for food ingredients. It doesn't support beetroot protecting against kidney stones; if anything, its oxalate content runs the other direction for people prone to a specific kind of stone. And it doesn't support beetroot as a treatment for diagnosed fatty liver disease, chronic kidney disease, or any other liver or kidney condition — one positive trial in a diagnosed disease population, described below, is not the same thing as a general treatment finding.

What the trials found

A 12-week randomized trial split 180 people diagnosed with non-alcoholic fatty liver disease into four groups: a control group, beetroot juice alone, a Mediterranean diet alone, and the two combined. The beetroot-juice groups (alone and combined with the diet) saw significant drops in several liver enzymes and lipid measures, along with improved ultrasound findings for fatty liver, compared with the control group — the combined group did better than either intervention alone. This is a real, measured result, but it comes with real limits: it's one trial, not yet replicated by an independent research group; the paper's own description of its beetroot juice dose is unclear ("250 mg of beetroot" isn't a standard way to describe a juice serving); and every participant had a diagnosed liver disease, so this doesn't speak to what beetroot does for someone without one.

A separate, larger 24-week trial gives a useful safety data point, though not a benefit one. In that trial, adults with type 2 diabetes took 5 grams a day of beetroot powder (about 250 mg of nitrate) for 24 weeks, and liver and kidney function tests — tracked specifically as a safety check — showed no adverse changes compared with placebo. That trial wasn't measuring liver disease outcomes and didn't enroll anyone with one; it simply found no red flag on standard liver and kidney safety labs at that dose and duration.

Kidney stones and oxalate content

Beetroot is one of the foods a nutrition review on dietary oxalate names as a common source of oxalate, alongside spinach, rhubarb, and tea. Oxalate binds calcium in the gut, and that same review notes that a diet low in calcium and high in oxalate isn't recommended — a combination that matters most for people with a history of calcium-oxalate kidney stones, the most common kind. The same review is equally clear that occasional high-oxalate food intake isn't a particular problem for most people, so this is a targeted caution for a specific history, not a reason for everyone to avoid beetroot.

Potassium and kidney disease

Separately from oxalate, beetroot is a moderate-to-high potassium food — a raw 100 g serving carries about 325 mg (USDA FoodData Central). People with chronic kidney disease are sometimes advised to limit potassium intake, depending on their stage and their own doctor's or dietitian's guidance. We haven't found a trial testing beetroot supplementation specifically in people with chronic kidney disease, so if that applies to you, ask your care team before adding a beetroot supplement rather than relying on general food-composition figures.

Questions people ask

Can beetroot cause kidney stones?

Beetroot itself doesn't cause stones to form in most people, but its relatively high oxalate content is a known contributor to calcium-oxalate stones, the most common type, particularly for people who've had one before. If you have a history of kidney stones, ask a doctor before adding a beetroot supplement.

Is beetroot good for fatty liver?

One 12-week trial in people already diagnosed with fatty liver disease found improved liver-enzyme and ultrasound measures with beetroot juice. That's a single, unreplicated trial in a diagnosed disease population — not enough, on its own, to call beetroot a treatment for fatty liver, and it isn't one.

Is beetroot good for CKD (chronic kidney disease), including stage 3?

We haven't found a trial testing beetroot in people with chronic kidney disease specifically. Beetroot's potassium content is a general reason for caution on a potassium-restricted renal diet — ask your doctor or dietitian, since kidney disease management is individualized by stage and lab values.

When to talk to a doctor

Beetroot is not a treatment for fatty liver disease, kidney stones, or chronic kidney disease, and nothing above supports using it as one. If you have a diagnosed liver or kidney condition, or a history of kidney stones, talk to a doctor before adding beetroot or any new supplement.