Quantum, Inc. - Natural Products That Make a Difference - Quantum is a natural product company founded in 1981 that specializes in unique formulations designed to help people feel and look their best. Key categories include cold sore, and canker sore treatments, cold and flu relief, natural insect repellents, head lice treatments, skin care and immune support. Based in Eugene, OR, Quantum's makes over 70 products which are distributed throughout the United States and Canada and on the Internet.