Natural Alternatives International, Inc. engages in formulating, manufacturing, and marketing nutritional supplements in the United States and internationally. The company offers private-label contract manufacturing services to companies that market and distribute vitamins, minerals, herbs, and other nutritional supplements, as well as other health care products. It also provides strategic partnering services, such as customized product formulation, clinical studies, manufacturing, marketing management and support, international regulatory and label law compliance, international product registration assistance, scientific research, proprietary ingredients, customer-specific nutritional product formulation, product testing and evaluation, packaging and delivery system design, regulatory review, and packaging in various formats and labeling designs. In addition, the company sells beta-alanine ingredient under the CarnoSyn trade name. It manufactures products in a various forms, including capsules, tablets, chewable wafers, and powders. Natural Alternatives International, Inc. was founded in 1980 and is headquartered in Carlsbad, California.