Apricot kernels are the seeds found inside the stones or pits of fresh apricots. These kernels, which belong to a class of oil-bearing seeds/fruits are light brown in color, and resemble small almonds. They are sweet, and sun-dried.
Apricot kernels are, like most nuts and seeds, very nutritious. Among the nutrients they contain is one called laetrile, which is also known as amygdalin or vitamin B17.