Nelson, MD Vitamin B17 is a commonly used name for a chemical called amygdalin. It is used to make a chemical called laetrile, a compound that some people claim can treat cancer naturally.

Vitamin B17 or Amygdalin is a poisonous cyanogenic ... due to cyanide poisoning. Neither amygdalin nor laetrile is a vitamin. The promotion of laetrile to treat cancer has been described in ...