As scientific research identifies important new nutrients and health-promoting supplements, it is our intention, here at Nutrimark™, LLC, to add those nutrients to our Nutrimark™ family of products offering you a line of dietary supplements unequaled in quality and sound nutritional research.

Nutrition 21 offers high quality, novel and patented, nutritional ingredients whose health
benefits are substantiated by extensive clinical research.

NSI (Nutritional Specialities, Inc.), the parent company of the Professional Health Products® brand, was founded by Peter Nudi, Sr. in Pittsburgh in 1978, and continues to be family-owned and operated there to this day. Since it’s start, NSI has believed in partnering directly with doctors, pharmacists, and other licensed healthcare practitioners to deliver innovative nutrition, backed by science, to patients and clients.