NONI  has caused some harm to kidneys according to the growers of noni juice. They suggested that individuals with kidney or liver disease, avoid noni. Drinking noni juice has been the source of dangerously high potassium levels whereas lemon juice is low in potassium, a great flush, easier to obtain locally, and succeeds in making one alkaline. There are several cases in the literature that link noni to inflamed livers (hepatitis). Noni can be a liver toxin.