USANA’s vitamin D supplement has officially earned the prestigious ConsumerLab.com Seal of Approval—a recognition reserved for products that deliver on purity, potency, and scientific precision.
“This isn’t just a win for our product—it’s a win for consumers who deserve the very best,” said Brent Neidig, USANA’s Chief Commercial Officer. “We’re proud to offer a supplement that not only meets expectations but inspires confidence in every tablet. The ConsumerLab.com Seal of Approval is more than a certification—it’s a trusted endorsement that reflects our dedication to transparency, quality, and precision.”
To earn the Seal of Approval, USANA’s Vitamin D supplement was subjected to comprehensive testing for potency, purity, and label accuracy. The product was required to deliver 100% of the claimed amounts of vitamin D3 and vitamin K and demonstrate proper disintegration and bioavailability—benchmarks that align with USANA’s own uncompromising internal standards.
“At USANA, we don’t just meet standards—we redefine them,” said Dr. Kathryn Armstrong, USANA’s chief scientific officer. “With 2000 IU of vitamin D3 in every tablet, this formula is built on science to support bone strength, immune defense, and nutrient absorption. Trust in your supplements has to be earned—and we earn it with every dose.”
The approval from ConsumerLab.com is the latest in a long line of third-party validations that reflect USANA’s role as an industry leader in evidence-based nutritional science.
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