Ganoderic acid A, a natural product isolated and purified from the fruit body of Ganoderma lucidum, exhibits antitumor activity.

Ganoderic acid B, a natural product isolated and purified from the fruit body of Ganoderma lucidum, is a moderately active inhibitor against HIV-1 protease with a 50% inhibitory concentration of 0.17-0.23 mM.