Abstract: A compound of the formula wherein W is H or a &bgr;-D-glucopyranoslyloxy group, and Y and Z are independently H, C1-6 alkyl, or C1-6 alkoxy or a pharmacologically acceptable derivative thereof, is effective in the treatment or prophylaxis of a disorder benefitting from a decrease in the activity or concentration of transaminase enzymes, particularly liver disorders. The compound is preferably administered orally as a dietary supplement in combination with one or more of bee pollen, matricaria camomile, asperula oderata, royal jelly or honey.