Stomachic Pills.
Take extract of gentian, two drachms; powdered rhubarb and vitriolated tartar, of each one drachm; oil of mint, thirty drops; simple syrup, a sufficient quantity.
Three or four of these pills may be taken twice a-day, for invigorating the stomach, and keeping the body gently open.
William Buchan
Domestic Medicine 2nd edition 1785