The Company
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, and superior manufacturing and packaging capabilities to create nutritional products that are formulated to address specific health conditions.
NAI has achieved a position of prominence in the natural products industry due to its commitment to quality and scientific integrity. NAI opened its doors 36 years ago and met cGMP compliance long before FDA implementation in the nutraceutical industry, ensuring that our customers’ products were safe, compliant, and made with scientific integrity. NAI provides a global presence with well-known manufacturing facilities in the United States (California) and Europe (Switzerland), as well as offices in Japan.
NAI’s Founder, Chairman, and Chief Executive Officer Mark LeDoux is considered a pioneer of the modern dietary supplement industry. He is a current member and Past Chair of the prestigious Council for Responsible Nutrition (CRN) and Founding Chairman and a member of the Board of CRN-International. LeDoux has been a member since 1980 of the Natural Products Association and currently serves as its President. He also serves on the Board of Nutrition Industry Association West.
NAI’s regulatory review of formulation compliance along with international certifications make it easy to register and distribute products across country borders and regional trade zones. NAI’s customers distribute nutritional products in more than 36 countries.
CarnoSyn Brands
NAI is the exclusive supplier, patent holder and trademark owner of CarnoSyn® and the latest muscle science innovation – SR CarnoSyn sustained release beta-alanine. Both materials can be purchased as an ingredient or turnkey finished product. NAI can create your science-based, custom formulation for tablets and powders in a variety of packaging options. CarnoSyn beta-alanine has been scientifically proven to:
• Increase muscle carnosine for prolonged periods*
• Increase muscle buffering capacity*
• Decrease acidosis*
• Improve endurance*
• Delay fatigue*
• Increase strength*
• Speed recovery from exercise*
• Increase muscle carnosine for prolonged periods*
• Increase muscle buffering capacity*
• Decrease acidosis*
• Improve endurance*
• Delay fatigue*
• Increase strength*
• Speed recovery from exercise*


