Mark A. Brudnak, Ph.D., N.D., is the author of over 40 peer-reviewed scientific and trade journal articles and is recognized worldwide as a leading expert and speaker in the areas of probiotics, enzymes, and functional carbohydrates. A board-certified naturopath, Brudnak has been involved with the natural products industry for over 15 years and has worked with numerous companies and universities in the development of cutting-edge nutritional products.