Dr. Haile's 'Old Injun' System Tonic was a liquid medicine available for sale during the late 19th century on Earth. This tonic allegedly treated ailments of the kidneys, the liver, and the stomach.
In 1893, an advertising sign for this tonic was displayed in the window of a drug broker on Putney in San Francisco, California. (TNG: "Time's Arrow")
This product was only mentioned in writing.
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