Amygdalin is a phytochemical acquired from the seeds of assorted fruits, including apricots and absinthian almonds. The breakdown of this admixture releases cyanide. It has been acclimated in blight analysis at assorted times back the 1800s, but its use today is awful controversial. United States agencies, such as the National Blight Institute, accede it abortive at alleviative blight and alarming to use. Proponents, however, accede it an another blight treatment.

According to the Sloan-Kettering Blight Center, amygdalin was aboriginal alien as an another blight analysis in the United States in the 1920s and acquired acceptance in the 1950s. After studies appropriate its disability in alleviative cancer, the acceptance of amygdalin diminished. Amygdalin reappeared afresh about the year 2000.