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Home > Be Healthy > Health Library > Kava
Kava—or kava kava—is a root found on islands in the western Pacific Ocean. Traditionally prepared as a tea, kava root is also available in other forms. These include dietary supplements and liquid or powder extracts.
Kava is used by some people for anxiety, sleeplessness, or other health problems. Taking kava may reduce anxiety. But so far there isn't clear proof from science that it helps with other health problems.
Kava may cause mild side effects, such as digestive problems, headaches, or dizziness. Over time, with high doses, it can cause dry, flaky, or yellow skin. Taking kava can also cause serious side effects, such as liver failure and death.
Kava can also affect how fast a person reacts, making it unsafe to drive or use heavy machinery.
Because of the side effects it can cause, kava isn't available in some countries.
The FDA does not regulate dietary supplements in the same way it regulates medicine. A dietary supplement can be sold with limited or no research on how well it works.
Always tell your doctor if you are using a dietary supplement or if you are thinking about combining a dietary supplement with your conventional medical treatment. It may not be safe to forgo your conventional medical treatment and rely only on a dietary supplement. This is especially important if you are pregnant or breastfeeding.
When using dietary supplements, keep in mind the following:
Current as of:
March 17, 2021
Author: Healthwise StaffMedical Review: Adam Husney MD - Family Medicine
Current as of: March 17, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine
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