Every few months a new liver “detox” does the rounds: a tea that promises to flush you clean, a three-day juice plan, a kit of olive oil and lemon juice that claims you will pass green “stones” by morning. The pitch is always that your liver is clogged. It is not. What the liver can genuinely struggle with, very commonly in India, is fat building up inside it. That problem has tested answers, and none come in a sachet.
What your liver already does, every minute of the day
Your liver is the largest organ inside your body, and Cleveland Clinic counts more than 500 jobs it performs. It filters blood arriving from the gut, breaks down medicines, alcohol and everyday waste products, and sends what is left out in bile and urine. It also makes bile and clotting proteins, and stores glucose to keep blood sugar steady between meals. And it is one of the very few organs that can regenerate.
The liver is not a sieve slowly filling with gunk. It changes substances chemically and passes them on, continuously, so there is no residue for a tea to wash out.
“Detox” teas, juice cleanses and liver flushes
The US National Center for Complementary and Integrative Health (NCCIH) describes the research as a small number of studies, mostly low quality. A 2015 review in the Journal of Human Nutrition and Dietetics found no randomised controlled trials of commercial “detox” diets in people at all.
“Detox” teas
Many “detox” and “slimming” teas contain senna or other laxative herbs. You lose water, the scale dips, and it feels as if something has been cleared out. Nothing has left your liver. The NHS warns that laxatives used too often or too long can cause dehydration and low potassium, and that shop-bought laxatives should not be taken for more than seven days. The NIH’s LiverTox database adds that senna is generally safe, but has been linked with liver injury when taken in high doses for longer than recommended.
Juice cleanses
Juice alone means very few calories, so some weight comes off. NCCIH notes that juicing and “detox” diets tend to lead to weight regain once normal eating resumes. It also warns that unpasteurised juice can carry harmful bacteria, and that green or beetroot juices are high in oxalate, a concern if you are prone to kidney stones. With diabetes, talk to your doctor first.
Liver and gallbladder flushes
The “flush” usually means drinking a large amount of olive oil with citrus juice, then finding soft green lumps in the toilet. When doctors had these “stones” analysed (The Lancet, 2005), they contained no cholesterol, bilirubin or calcium, the building blocks of real gallstones. They were mostly fatty acids from the oil, formed into soft, soap-like balls in the gut. Real gallstones need a scan and medical advice; a flush only delays both.
When “liver support” products harm the liver
The irony is hard to miss. The liver processes concentrated herbal extracts, so it is often the organ they injure. LiverTox notes that up to 40 per cent of people attending liver clinics use supplements, and that most people who take supplements do not tell their doctor.
In the US Drug-Induced Liver Injury Network, the share of cases blamed on herbal and dietary supplements rose from 7 per cent to 20 per cent between 2004 and 2013. Non-bodybuilding supplements mostly harmed middle-aged women, and ended in death or transplant more often than medicines did: 13 per cent against 3 per cent. Green tea extract, found in many weight-loss supplements, has been linked by LiverTox with acute liver failure and deaths. The concern is the concentrated extract, not a cup of tea.
Giloy: an Indian example
Giloy, or guduchi (Tinospora cordifolia), was widely promoted as an immune herb during the COVID-19 pandemic. A 2022 study across 13 Indian centres described 43 people who developed liver injury after taking it, with symptoms starting a median of 46 days in. Four died within about two months and two needed transplants; all four deaths were in people whose existing chronic liver disease suddenly worsened.
The Ministry of Ayush disputed an earlier, smaller case series in 2021, suggesting a look-alike species, Tinospora crispa, might be responsible. The multicentre team tested products recovered from patients, and the authors reported no competing liver-damaging agent. LiverTox now documents liver injury with long-term Tinospora use. I have covered similar signals with ashwagandha, and with curcumin capsules in my guide to anti-inflammatory foods.
You cannot see what is in the packet
A 2026 study from a south Indian liver centre analysed 386 alternative medicine products taken by 91 people who had reactions to them. Mercury exceeded WHO limits in 34 per cent of products and lead in 14 per cent, and 27.7 per cent contained undeclared pharmaceutical drugs. None of that was on the label.
What about milk thistle?
Milk thistle features in many “liver support” blends, and its evidence is mixed and mostly disappointing. A Cochrane review of 18 trials in people with alcohol-related liver disease or hepatitis B or C found no significant effect on death, complications or liver tissue. The 2024 European guideline on fatty liver says its extract, silymarin, may improve liver enzyme results, but small trials showed no improvement in the liver itself. LiverTox has not linked it to liver injury, and it is usually well tolerated.
Before any herbal or “liver” supplement, talk to your doctor. Avoid them if you have liver disease, are pregnant or breastfeeding, or take regular medicines, which herbs can interact with. Milk thistle can trigger allergies in people sensitive to related plants such as marigold, chrysanthemum and daisy. If you develop yellow skin or eyes, dark urine, nausea, unusual tiredness or tummy pain after starting any product, stop it and seek medical advice promptly.
The real liver problem in India: fatty liver, now called MASLD
A new name, and why it changed
If an older ultrasound report says NAFLD (non-alcoholic fatty liver disease), that is the old name. In 2023, three large international liver associations ran a consensus process with 236 experts and patient advocates from 56 countries. Most felt “non-alcoholic” and “fatty” were stigmatising, and the old name described what the condition was not.
The replacement is MASLD, metabolic dysfunction-associated steatotic liver disease (“steatotic” simply means fatty). It means fat in the liver plus at least one of five cardiometabolic risk factors: extra weight or waist size, raised blood sugar or diabetes, high blood pressure, high triglycerides or low HDL cholesterol. The inflamed form, once NASH, is now MASH, and MetALD covers people with MASLD who also drink moderate amounts of alcohol. The Indian National Association for the Study of the Liver (INASL) has adopted the new terms.
How common it is here
A 2022 meta-analysis of 50 Indian studies estimated fatty liver in 38.6 per cent of adults: 28.1 per cent in average-risk groups and 52.8 per cent in higher-risk groups such as people with obesity or diabetes. In children the figure was 35.4 per cent. The authors’ summary: about one in three Indian adults or children. Among Indian adults with type 2 diabetes, a 2026 meta-analysis of 18 studies put it at 56.9 per cent.
You do not have to look overweight. For South Asians, the MASLD risk-factor cut-offs start at a body mass index of 23, or a waist of 90 cm in men and 80 cm in women. Most people have no symptoms; the NHS notes it is usually found on blood tests or an ultrasound done for another reason. Most never progress, but some go on to inflammation, scarring (fibrosis) and cirrhosis.
What genuinely protects your liver
Losing weight, if you carry extra
The 2024 European guideline, written jointly by liver, diabetes and obesity societies, is specific. For adults with MASLD and overweight, a sustained loss of at least 5 per cent of body weight reduces liver fat, 7 to 10 per cent improves inflammation, and 10 per cent or more improves fibrosis. For someone weighing 70 kg, 5 per cent is 3.5 kg.
Much of that rests on a one-year study in Cuba of 293 adults with fatty liver inflammation, biopsied at the start and end. Among those who lost 10 per cent or more, 90 per cent saw the inflammation resolve and 45 per cent saw scarring regress. It was hard, too: only 30 per cent managed to lose 5 per cent. Slow, steady loss you can keep beats a crash week. If weight-loss medicines come up, see my piece on GLP-1 foods and Ozempic.
Moving most days
The guideline recommends activity you enjoy, preferably more than 150 minutes a week of moderate activity or 75 minutes of vigorous activity. Exercise lowers liver fat in its own right: in one trial, three months of aerobic exercise reduced it even without weight loss.
Eating for your liver as you would for your heart
The guideline advises a pattern similar to the Mediterranean diet, fewer ultra-processed foods rich in sugar and saturated fat, and no sugar-sweetened drinks. On an Indian plate: dal, sabzi, whole grains, fruit and nuts, with fewer packaged snacks, sweet drinks and mithai. Broccoli, cabbage and cauliflower belong there as good vegetables, not as liver pills. My pieces on ultra-processed foods and food as medicine go further.
Alcohol, and the conditions that travel with fatty liver
The guideline found that alcohol and metabolic risk factors can worsen each other, and that evidence does not support any protective effect from light or moderate drinking. People with fatty liver are advised against drinking, and anyone with advanced scarring or cirrhosis should stop completely. Good control of diabetes, blood pressure and cholesterol is part of liver care too. Statins worry some families, but the guideline says they can be used in chronic liver disease, including compensated cirrhosis, to lower heart risk. Never stop a prescribed medicine on your own.
Coffee: a promising association, not proof
In the UK Biobank study of nearly 495,000 adults followed for about 11 years, coffee drinkers had a 21 per cent lower risk of chronic liver disease and a 49 per cent lower risk of dying from it, with similar results for decaffeinated, instant and ground coffee. That is observational, since coffee drinkers may differ in other ways, and the guideline rates it as such. If you enjoy coffee, there is no reason to stop. Heavily sweetened coffee drinks are a different matter.
Hepatitis B vaccination and hepatitis C treatment
WHO counts India among ten countries that together carry nearly two-thirds of the world’s hepatitis B and C. A safe, effective vaccine prevents hepatitis B; ask your doctor whether you are protected. There is no vaccine for hepatitis C, but WHO says modern antiviral medicines clear the infection in more than 95 per cent of people. Under India’s National Viral Hepatitis Control Programme, diagnostics and medicines for hepatitis B and C are free for eligible people at government centres.
Medicines, paracetamol and your liver
Paracetamol is safe as directed, but LiverTox notes that overdose can cause acute liver failure and death. The NHS adult limit for 500 mg tablets is one or two per dose, at least four hours apart, and no more than eight in 24 hours, possibly less under 50 kg. Common 650 mg tablets are stronger: one per dose, and follow the pack or your doctor.
The commonest trap is doubling up, because many cold and flu remedies already contain paracetamol. The NHS adds that it may not suit people with liver or kidney conditions or who drink heavily, and should not be used for more than three days without a doctor’s advice. If you think you have taken too much, seek medical advice straight away.
Myth vs Reality: liver “detox”
| What the trend says | What the science says |
|---|---|
| “Your liver needs a regular ‘detox’ to flush out toxins.” | A healthy liver processes and clears waste continuously. A 2015 review found no randomised trials of commercial “detox” diets in people. |
| “A ‘detox’ tea cleans your liver and melts belly fat.” | Many contain laxatives such as senna, so the weight lost is mostly water. Overuse can cause dehydration and low potassium. |
| “The green stones after a liver flush prove it worked.” | Analysed “stones” held no cholesterol, bilirubin or calcium. They were mostly fatty acids from the olive oil. |
| “Warm lemon water and a spoon of ghee every morning cleanse the liver.” | No trial shows either protects the liver. Lemon water is a pleasant drink. Ghee is a saturated fat, best kept to small amounts. |
| “Herbal means safe for the liver.” | Supplements were behind 20 per cent of cases in a US liver injury network by 2013. Giloy, green tea extract, ashwagandha and curcumin capsules have all been linked with liver injury. |
| “Fatty liver only affects heavy drinkers or people with obesity.” | Over one in three Indian adults has it, and South Asian cut-offs start at a BMI of 23. |
When to see a doctor
Ask about your liver if you have type 2 diabetes, extra weight around your waist, or high blood pressure or cholesterol. The European guideline recommends checking such people, and anyone with abnormal liver enzymes or fat on a scan, for scarring, starting with FIB-4, a score from routine blood tests, then elastography if needed.
If a report says “fatty liver” or flags your liver enzymes, do not reach for a cleanse. Ask what is causing it, whether you need a scarring check, and when to retest. The NHS suggests check-ups at least once a year for people with MASLD.
See a doctor promptly for yellowing of your skin or eyes, dark urine, itchy skin, swelling of your tummy or legs, persistent nausea, unusual tiredness or pain under your right ribs. Get emergency help if you vomit blood, pass black stools or become suddenly confused.
Key takeaways
- A healthy liver clears waste all the time. “Detox” teas, juice cleanses and liver flushes have no good evidence behind them, and the teas often work as laxatives.
- Supplements were behind one in five cases in a US liver injury network. In India, giloy has been linked with serious liver injury, and some products hide heavy metals or drugs.
- Fatty liver, now called MASLD, affects over one in three Indian adults and over half of those with type 2 diabetes.
- Losing 5 per cent of body weight reduces liver fat; 10 per cent can improve scarring. Activity, avoiding alcohol, hepatitis B vaccination and careful paracetamol use all protect the liver.
References & Further Reading
- Rinella ME, et al. A multisociety Delphi consensus statement on new fatty liver disease nomenclature. Hepatology, 2023; 78(6): 1966 to 1986.
- European Association for the Study of the Liver (EASL), EASD and EASO. EASL-EASD-EASO Clinical Practice Guidelines on the management of metabolic dysfunction-associated steatotic liver disease (MASLD). Journal of Hepatology, 2024; 81(3): 492 to 542.
- Duseja A, et al. Adoption of the new nomenclature of metabolic dysfunction-associated steatotic liver disease (MASLD) by the Indian National Association for Study of the Liver (INASL): implications for the INASL guidance paper on NAFLD. Journal of Clinical and Experimental Hepatology, 2025; 15(5): 102590.
- Shalimar, et al. Prevalence of non-alcoholic fatty liver disease in India: a systematic review and meta-analysis. Journal of Clinical and Experimental Hepatology, 2022; 12(3): 818 to 829.
- Singhai A, et al. Prevalence of metabolic dysfunction associated steatotic liver disease in type 2 diabetes mellitus in India: a systematic review and meta-analysis. Indian Journal of Medical Research, 2026; 164(1): 72 to 80.
- Vilar-Gomez E, et al. Weight loss through lifestyle modification significantly reduces features of nonalcoholic steatohepatitis. Gastroenterology, 2015; 149(2): 367 to 378.
- Kennedy OJ, et al. All coffee types decrease the risk of adverse clinical outcomes in chronic liver disease: a UK Biobank study. BMC Public Health, 2021; 21(1): 970.
- Klein AV, Kiat H. Detox diets for toxin elimination and weight management: a critical review of the evidence. Journal of Human Nutrition and Dietetics, 2015; 28(6): 675 to 686.
- Sies CW, Brooker J. Could these be gallstones? The Lancet, 2005; 365(9468): 1388.
- Navarro VJ, et al. Liver injury from herbals and dietary supplements in the U.S. Drug-Induced Liver Injury Network. Hepatology, 2014; 60(4): 1399 to 1408.
- Kulkarni AV, et al. Tinospora cordifolia (Giloy)-induced liver injury during the COVID-19 pandemic: multicenter nationwide study from India. Hepatology Communications, 2022; 6(6): 1289 to 1300.
- Philips CA, et al. Analysis of 386 alternative medicinal products implicated in liver injury reveal clinically relevant associations with potentially hepatotoxic botanicals, pharmaceutical adulteration, heavy metal contamination, and undisclosed animal content. Frontiers in Gastroenterology, 2026; 5: 1784785.
- Rambaldi A, et al. Milk thistle for alcoholic and/or hepatitis B or C virus liver diseases. Cochrane Database of Systematic Reviews, 2007; (4): CD003620.
- NIH LiverTox. Herbal and dietary supplements; Tinospora; Green tea; Senna; Milk thistle; Acetaminophen.
- NCCIH. “Detoxes” and “cleanses”: what you need to know; Milk thistle.
- NHS. Non-alcoholic fatty liver disease (NAFLD).
- NHS. Paracetamol for adults.
- NHS. Laxatives.
- NHS. Cirrhosis.
- World Health Organization. WHO sounds alarm on viral hepatitis infections claiming 3500 lives each day. 9 April 2024.
- World Health Organization. Hepatitis B and Hepatitis C fact sheets.
- Press Information Bureau, Government of India. World Hepatitis Day 2024; Ministry of Health and Family Welfare. National Viral Hepatitis Control Program.
- Cleveland Clinic. Liver: anatomy and functions.
