Vitamin B12 is cyanocobalamin...more commonly seen as cyanide.
*****************AN EXCERPT ******************************
At stake, attorneys on both sides of the case say, are 25 years of patent law and literally tens of thousands of patents on drugs, medical devices, computer software and other inventions. If the court reins in what can be patented, they say, it could be among the most important patent law decisions ever made.
That's BS considering cyanide is deadly even small doses.