An excellent edible that commercially grow and sold in many parts of the world.
Oyster mushrooms are a natural source of statin drugs, specifically, isomers of lovastatin.
Studies have shown that they typically contain 0.4% to 2.7% statins on a dry weight basis. A number of studies on lab animals have shown that adding Pleurotus to the diet can reduce cholesterol under some conditions.
Oyster mushrooms contain a small amount of arabitol which can cause gastrointestinal distress in some people. Arabitol is a sugar alcohol similar to xylitol, manitol and sorbitol; these sugar alcohols are widely used food additives and can also have laxative effectives in susceptible individuals.