Amygdalin

Memorial Sloan Kettering Cancer Center's current patient-facing monograph on amygdalin/laetrile, an active academic cancer center's integrative-medicine service. States: 'Amygdalin (Laetrile) has not been shown to treat or prevent cancer,' citing negative clinical-trial evidence and cyanide toxicity; describes safety risks including cyanide poisoning with symptoms up to coma and death; states the FDA has banned the sale and use of amygdalin/Laetrile in the United States because of the cyanide-poisoning risk. Fetched directly 2026-08-21; last-updated date shown on page.