Apple seeds contain a compound called amygdalin, which is a cyanogenic glycoside composed of cyanide and sugar. When metabolized in the digestive system, amygdalin can degrade into highly poisonous hydrogen cyanide (HCN)
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. However, the amount of cyanide derived from apple seeds is relatively low, and several factors make death-by-apple-seed very unlikely
A “safe does of cyanide” that you have probably invested yourself.