Evidence-based information on amygdalin, also known as vitamin B-17, can be found on the websites of many reputable health organizations such as Memorial Sloan Kettering Cancer Center. Information regarding vitamin B-17 can also be found on health websites such as WebMD.
Amygdalin is a plant toxin that is found in apricot pits. Although some refer to it as vitamin B-17, it is not essential to the body and is not considered a vitamin, according to WebMD. Amygdalin is a precursor to cyanide, and ingestion of this substance can pose significant health risks to patients, states Memorial Sloan Kettering Cancer Center.