The taint of the aberration in your blood has gifted you with the ability to gain nourishment from things that others would never consider as food.
Prerequisite: Aberration Blood.
Benefit: You gain nourishment from eating any organic material, despite its freshness or source.
You gain a +4 racial bonus on Fortitude saves to resist the effect of ingested poisons, as well as on Fortitude saves to resist diseases caused by ingested substances (such as spoiled food).
Source: Lords of Madness, page 181.