What is noni?
Noni is a fruit that grows in tropical regions. It's sold as juice, powder and pressed pills.
It became hugely popular with marketing like "detox juice" and "the fruit that fights inflammation." Many people with joint problems seek it out.
Noni side effects: cases of liver injury
The biggest thing to watch with noni is your liver.
- There are cases of acute hepatitis that required a liver transplant after drinking noni juice.
- It's not just people who drank a lot. Liver injury was reported in a woman in her 60s who drank 1 cup a day, and in a person who drank a 1 L bottle over 2 weeks.
- Liver enzymes usually rose 2–8 weeks after starting.
- The US National Institutes of Health's liver injury database (LiverTox) also lists it as an ingredient that can cause liver injury.
Compounds in noni called anthraquinones are the suspected cause.
Who should avoid noni
- People with liver problems, or who've been told their liver enzymes are high
- People who drink alcohol often
- People with kidney problems: noni is high in potassium. If your kidneys are weak, potassium can build up in your body.
- People with heart disease: too much potassium can affect heart rhythm.
- People taking blood pressure medication, diuretics or heart medication: depending on the drug, potassium may build up even more.
Noni benefits: can you trust the claims?
There are more than 30 published papers on noni. Some report improvements in cholesterol, immunity, pain and exercise performance. But there's a problem.
| What to check | The reality |
|---|---|
| Who did the research | Many were funded by noni juice makers or had authors from those companies |
| Study design | Almost no well-controlled, independent studies |
| That company's track record | Has received an FDA warning for exaggerated advertising |
| Menstrual cramp study | Found noni capsules had no effect |
Bottom line: there's no clearly proven benefit. Data on both benefits and side effects are so thin that the FDA has asked manufacturers to submit evidence.
If you still want to try noni
- Choose juice. Most research used juice.
- Avoid powders and pills. News reports found heavy metals (such as iron particles) in more than half of noni pills on the market.
- Don't drink a lot, or for a long time. Safety studies only confirmed up to 750 mL (about 25 oz) of juice a day for 6 weeks.
- Stop right away at any warning sign and get your liver enzymes checked by a doctor.
Warning signs to stop
- The whites of your eyes or your skin turn yellow
- Your urine gets darker
- You feel tired and lose your appetite for no reason
- You have discomfort in your upper right belly
It can also cause heartburn, constipation or diarrhea, headaches, and allergic reactions like hives.
Medications and conditions to watch
- Check Blood pressure medication, heart medication and diuretics — Noni's potassium adds up and may build to excessive levels — talk to your doctor before taking it
- Caution Kidney disease treatment — Potassium may build up instead of being cleared — avoid it
- Caution Liver disease or frequent drinking — May raise the risk of liver injury — avoid it
Frequently asked questions
Is noni bad for your liver?
Several cases of acute hepatitis, some requiring a liver transplant, have been reported after drinking noni juice. If your liver is weak or you drink alcohol often, avoid it.
Does noni really have health benefits?
Some studies report improvements, but many are tied to manufacturers. There are almost no well-controlled, independent studies, so it's fair to say no benefit has been clearly proven.
Are noni powder and noni pills safe?
We don't recommend them. News reports found heavy metals in noni pills on the market. If you take noni, juice — the form mostly used in research — is the better option.
Is noni good for joints?
Some people say it eased their pain by reducing inflammation, but the evidence is weak. If joints are your concern, look first at other ingredients with more evidence.
Can I take noni if I have kidney problems?
Avoid it. Noni is high in potassium, which can build up in your body if your kidneys are weak. If you take blood pressure medication or diuretics, talk to your doctor first too.
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Last updated 2026-10-12