Sales of noni (including juice, drinks, and pills) now exceed $200 million in the U.S. It is promoted as a treatment for cancer, pain, high-blood pressure, colds and many other conditions.

What is noni? What is it supposed to do? What is the evidence behind it? Are there side effects? We answer these questions in this report.

Standards for judging the quality of noni products have yet to be established, so our testing of products must wait until the science catches up. But we do discuss several potential concerns with noni products of which you should be aware.

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