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Natural Alternatives International Inc is engaged in formulating, manufacturing, and marketing nutritional supplements. It offers vitamins, minerals, herbs, and other supplements, as well as other healthcare products, to customers within the United States and internationally. Its business activity is operated through Private-Label Contract Manufacturing and Patent & Trademark Licensing segments. The company derives the majority of revenue from Private-Label Contract Manufacturing, which is engaged in providing manufacturing services to companies that market and distribute nutritional supplements and other healthcare products, whereas the Patent and Trademark Licensing segment includes royalty income from its license and supply agreements associated with the sale.
Natural Alternatives Intl trades on the NASDAQ stock market under the symbol NAII.
As of September 23, 2026, NAII stock price declined to $1.85 with 19,459 million shares trading.
NAII has a beta of 0.35, meaning it tends to be less sensitive to market movements. NAII has a correlation of 0.00 to the broad based SPY ETF.
NAII has a market cap of $11.61 million. This is considered a Sub-Micro Cap stock.
In the last 3 years, NAII traded as high as $7.37 and as low as $1.80.
The top ETF exchange traded funds that NAII belongs to (by Net Assets): VTI, DFMC, VXF, BSVO, DFAS.
NAII has underperformed the market in the last year with a price return of -38.9% while the SPY ETF gained +16.3%. NAII has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -25.4% and -6.6%, respectively, while the SPY returned +3.4% and +0.5%, respectively.
NAII support price is $1.77 and resistance is $2.03 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that NAII shares will trade within this expected range on the day.
