Natural Alternatives International, Inc. (NAII:NASDAQ) closed at $1.21 on October 23, 2026, unchanged on the day. The stock trades 75.6% below its 52-week high of $4.96 and 12.0% above its 52-week low of $1.08. Over the past year, it lost 55.7%. Natural Alternatives International, Inc. is part of the Consumer Durables sector (Specialty Chemicals).
In 252 trading sessions since October 23, 2025, NAII closed higher on 100 days (40%). Its best day was November 13, 2025 (+19.57%) and its worst was February 17, 2026 (-26.65%). The stock moved 10% or more in a single session 8 times. It opened at least 5% above the previous day's high 2 times.
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.
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