About Us

Welcome to En Garde!

We are happy that you have chosen to view our site. We have been in business for more than 20 years and our products are sold all over the world. We are a small company and this allows us to give careful, thoughtful and individual attention and service to all of our customers. All of our products are manufactured in the U.S.A. and most of them can be used by the strictest vegetarians.

We will be happy to answer your questions concerning any of our products. We look forward to serving you.

Our History

En Garde was founded to further the pioneering research of people such as Carl Pfeiffer, M.D. Ph.D., who (at the Princeton Brain Bio Center in the late 70s and early 80s) dedicated his energies to really understanding the “why and how” of human nutrition. After conducting research with thousands of patients, he wrote “The Golden Pamphlet” — the first modern and accurate concepts for using the nutritional approach to benefit health in a comprehensive manner. Later, he directed the Brain Bio Center’s Publications Committee, in preparing the landmark book, “Mental and Elemental Nutrients — a Physician’s Guide to Nutrition and Health Care.”

Dr. Pfeiffer’s work has been expanded on by A. A. Chaplan, M.D., Ph.D. — an associate, who (after both institutional and private practice) served at the NYU Brain Research Lab and as director of the California Brain Bio Center.

Dr. Chaplan was the motivating force behind En Garde’s founding, and remains one of the principal reasons for our success. We are fully committed to his concern with producing products that are formulated for maximum absorption and effect; and with synergistically acting combinations of products. This is needed because people are “whole,” complex entities. Single nutrients — or simple combinations of nutrients — rarely can resolve any complex nutritional problem.

As Dr. Chaplan often reminds us: “You need a set of the right ingredients in the right proportions to make a cake; many instruments to make an orchestra; and as the Scotch say, ‘many a mickle to make a muckle’.” He also insists that “detail is on the side of the Lord — and the basis for doing as much good as you can.” And, because of his insistence that we be guided by the Hippocratic oath (under which doctors swear to “do no harm”), our products are also designed with safety fully in mind at all times.


All of our products are made in the U.S. under strict quality control in GMP compliant labs.

Maximum attention is paid to providing synergistically acting combinations of products — particularly in cases where extracts are made from botanical sources (plants), and when two or more nutrients must be in a particular ratio for most effective absorption, as well as in design of our nutritional kits.

Few of our products contain any of the things that most people have aversion or allergies to, (such as animal or dairy products, alcohol, bentonite, peroxide, psyllium, soy, chemical preservatives or artificial sweeteners or preservatives).

We offer precursors to assure that the body isn’t exposed to more of some nutrients than may actually be beneficial.

Most of our products can be used by the strictest of vegetarians, and special formulations are available for them when exceptions exist, if possible.


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Closed for holiday. Will open 1st of May, 2019