Vitamin B15 was discovered in 1950. In the seeds of different plants. The name »pangamic acid« comes from the Greek words »pan«, which means »everywhere«. Later is demonstrated in rice, yeast, liver and blood of the bull.
As this vitamin is concerned, there are many controversies. While some believe that this vitamin is »miracle« in a positive sense (especially in the former Soviet Union), others forbid it (in the U.S.). The data given here are based on the literature of Soviet authors, as in the case of the U.S. these data are rather limited.