Background:

Ganoderal A, an oxygenated sterol from G. lucidum, is a cholesterol synthesis inhibitor[1].

[1]. Hajjaj H, et al. Effect of 26-oxygenosterols from Ganoderma lucidum and their activity as cholesterol synthesis inhibitors. Appl Environ Microbiol. 2005 Jul;71(7):3653-8.