natural alternatives international, inc. (nai) is a leading formulator and manufacturer of customized nutritional supplements. the company's comprehensive partnership approach to client servicing is unique within the industry combining clinical research, science-based formulation, advanced quality assurance testing methodologies, superior manufacturing and packaging capabilities, and broad marketing experience to create nutritional products that are formulated to address specific health conditions. founded in 1980, nai prides itself on a strong commitment to health, scientific integrity and quality. we provide comprehensive solutions that include custom formulations based on scientific research, the highest manufacturing standards, supervision of international regulatory compliance, and marketing support. we have established partnerships and work to develop tailored solutions for our clients'​ nutritional product needs. with state-of-the-art manufacturing facilities in carlsbad, califo