The root of Gentiana lutea, the yellow gentian of the Alps, furnishes an efficient simple bitter and stomachic tonic.

Preparations

Tinctura Gentians Composita. Compound Tincture Of Gentian

Strength 10%. Average dose, ʒ i.-4 mils.

Fluidextractum Gentianae. Fluidextract Of Gentian

Average dose,  xv.-I mil.

Extractum Gentianae. Extract Of Gentian

Average dose, gr. iv.-0.25 Gm.