Shares of USANA Health Sciences (USNA) surged 18.30% in after-hours trading on Tuesday, following the release of its second-quarter 2025 financial results that exceeded analyst expectations. The company reported impressive earnings and sales figures, coupled with a positive outlook for the fiscal year 2025.

USANA's adjusted earnings per share for Q2 came in at $0.74, significantly beating the analyst consensus estimate of $0.54. This represents a 37.04% increase compared to the same period last year. The company's quarterly sales also outperformed expectations, reaching $235.848 million, a 10.79% year-over-year increase and 4.73% above the analyst consensus estimate of $225.195 million.

Despite a decline in active customers across regions, USANA's comprehensive commercial strategy, including enhanced incentives and refreshed brand messaging, contributed to the 11% net sales growth. The company's direct-to-consumer business, Hiya, reported strong year-over-year top-line growth with improved profitability, further boosted by a new partnership with Disney. USANA also reiterated its fiscal year 2025 outlook, projecting consolidated net sales between $920 million and $1 billion, with adjusted diluted EPS forecasted between $2.35 and $3.00. This positive financial performance and optimistic future guidance likely fueled investor confidence, resulting in the significant after-hours stock price increase.