Natural Alternatives International, Inc. (NAI) is the industry-leading formulator and manufacturer of customized nutritional supplements. We take a unique partnership approach to combine science-based formulation, advanced quality assurance testing methodologies, superior manufacturing and packaging capabilities as well as broad marketing experience to create quality nutritional products.

Mission and History

supplement manufacturing since 1980

Manufacturing healthy alternatives since 1980.

Global Operations

global contract manufacturing

NAI manufactures on two continents and distributes products around the world.


NAI contract manufacturing leadership team

Our leadership team, including founder and CEO Mark LeDoux, are recognized as industry pioneers.

NAI eBook

custom supplement formulation and contract manufacturing

Download our new eBook.