The formula was brought the the United States in the early part of the 1900’s by a doctor, who became convinced of its usefulness and effectiveness. Dr L.E> Schweitzer became a proponent and distributor of the formula for many years, after bringing it to the U.S. He single-handedly managed to encourage many doctors, chiropractors and naturopaths to employ zinc-borocyl (Schweitzer Formula) in their practices. Much positive feedback caused the formula to grow and grow . Before Dr Schweitzer died, he passed the formula onto others, who kept producing and distributing it across the U.S. The pattern of passing the formula onto the next generation, continued several more times until the present day. Today, because of the advent of the internet, Schweitzer Formula is making a come back in popularity with people all over the world.