What Can Happen to Your Liver When You Take Daily Turmeric Supplements Long Term

Turmeric isn’t inherently bad for your liver, but taking too much—especially in supplement form—can pose a risk. Used for centuries in cooking and traditional medicine, turmeric is a popular ingredient in supplements marketed for everything from joint support to liver health.

Too Much Turmeric May Damage Your Liver

• Despite their possible benefits, turmeric and curcumin supplements are not risk-free.
• There have been at least dozens of reports of liver damage tied to turmeric or curcumin supplements, including cases of non-infectious liver inflammation (hepatitis) and cholestasis.
• Most people recovered after stopping the supplement, but some required hospitalization, and at least one person has died from turmeric-related liver failure.
• The Drug-Induced Liver Injury Network (DILIN) reported that out of 2,392 suspected liver injury cases studied from 2004 to 2022, 10 were linked to turmeric supplements.
• In these cases, people used turmeric for an average of 86 days before symptoms of liver injury appeared.
• The most common adverse effects were jaundice, abdominal pain, and nausea.
• Notably, most of these cases involved high-dose curcumin supplements, some of which contained added components that significantly enhanced the absorption of curcumin (e.g., piperine, lipids).
• Enhanced absorption may sound like a good thing, but it can also raise the risk of liver injury by increasing the amount that reaches your bloodstream.
• There are also cases of turmeric or curcumin supplements being contaminated with heavy metals (e.g., arsenic, lead), which can hurt your liver health.
• It’s essential to choose your products wisely, follow the guidelines provided by the product’s manufacturer, and consult with your healthcare provider before using any supplement.

Signs Your Liver May Be Struggling

If you’re taking turmeric supplements and notice any of the following symptoms of liver toxicity, contact your healthcare provider right away:

These could be signs of liver injury and should not be ignored—especially if they develop after starting a new supplement.

Consult your healthcare provider immediately if you have questions about your liver health.

How Much Turmeric Is Too Much?

Be sure to follow the directions on the label, especially if you switch from one brand or formulation to another, as quality and ingredient content can vary widely across different products:

• Safe supplement dosage: Most clinical studies have used turmeric doses of 500 mg to 2,000 mg daily safely. Conventional turmeric formulations are generally considered safe in doses of 1.5 grams (1,500 mg) daily for up to 3 months. Turmeric products with higher curcumin content have been safely used in the short term.
• Maximum amount: Doses of over 8 grams of curcumin daily are generally not recommended due to intolerable side effects.
• Lower doses: Lower doses may offer benefits for liver health. In one study, for example, curcumin doses of less than 500 mg per day were found to be safe and effective in improving liver enzyme levels in individuals with NAFLD.
• Turmeric in foods: Turmeric is generally safe to eat daily in typical food amounts. Up to 2 grams (g) a day in meals or drinks is considered safe and unlikely to affect the liver. Turmeric supplements, however, contain significantly higher doses and should be used with caution.

How Turmeric May Actually Support Your Liver Health

• While it carries risks, curcumin is also widely recognized for its anti-inflammatory and antioxidant properties.
• These properties may help reduce oxidative stress and inflammation, which are key drivers of many liver diseases, including non-alcoholic fatty liver disease (NAFLD), now referred to as metabolic dysfunction–associated steatohepatitis (MASH).
• Curcumin appears to lower inflammatory markers and may help regulate liver enzymes involved in the body’s detoxification processes.
• In animal models, turmeric components have shown potential in reducing liver scarring (fibrosis) and improving liver repair.
• A research analysis with over 1,000 people found that curcumin supplementation improved liver enzyme levels, resolved fatty build-up in the liver (steatosis), and reduced total cholesterol and body mass index (BMI) in people with MASLD.

Is Turmeric Safe for Me?

Some people may be more vulnerable to turmeric-related liver injury. It’s a good idea to avoid turmeric or curcumin supplements or check with a healthcare provider first if: 

• You have liver problems, such as hepatitis or a bile duct blockage.
• You have been told you have a gene variant (e.g., HLAB*35:0), which may increase liver sensitivity to turmeric.
• You are pregnant or breastfeeding, or planning to become pregnant.
• You’re taking other herbs or medications that strain the liver or have known liver risks (e.g., acetaminophen (Tylenol), especially in high doses).

It’s also worth mentioning that turmeric or curcumin can interact with many medications. Some combinations could increase your exposure to a medication, raising the risk of side effects.

Always check in with a healthcare provider to make sure it’s safe if you’re currently taking any prescription medications for an ongoing health condition.