Natural Alternatives International, Inc. is a formulator, manufacturer and marketer of nutritional supplements. The Company operates through two segments: Private-label contract manufacturing, and Royalty, licensing, and raw material. The Private-label contract manufacturing segment primarily provides manufacturing services to companies that market and distribute nutritional supplements and other health care products. Royalty, licensing, and raw material segment associated with the sale and license of beta-alanine under the Company’s CarnoSyn and SR CarnoSyn trademarks. The Company provides private-label contract manufacturing services to companies that market and distribute vitamins, minerals, herbal and other nutritional supplements as well as other health care products. It private-label contract manufacturing customers include companies that market nutritional supplements through direct sales marketing channels, direct to consumer e-commerce channels, and retail stores.