Turned into another nature or quality, from sweet to bitter. The gall of asps, i.e. exceeding bitter and pernicious. Gall is most bitter; the gall of serpents is full of poison, which from thence is conveyed to their mouths by veins, as Pliny observes; and the poison of asps is most dangerous, and within a few hours kills without remedy.
Related Commentaries of Job 20:14
Job 20:14
14 Yet his meat in his bowels is turned, it is the gall of asps within him.