Tested, Trusted, Approved: USANA CellSentials Earns ConsumerLab.com Seal of Approval for Purity and Potency Accessibility StatementSkip Navigation SALT LAKE CITY, March 24, 2026 /PRNewswire/ -- USANA (NYSE: USNA), a global leader in cellular nutrition, today announced that its flagship CellSentials supplement has earned the prestigious ConsumerLab.com Seal of Approval. This highly respected third-party certification is awarded only to products that meet rigorous standards for purity, potency, and label accu ...