USANA’s Vitamin D supplement has earned the ConsumerLab.com Seal of Approval, recognizing the product’s purity, potency and scientific precision. ConsumerLab.com utilized comprehensive testing to check for label accuracy, ensuring that the product delivered 100% of the claimed amounts of vitamin D3 and vitamin K. The assessment also verified the product’s demonstration of proper disintegration and bioavailability.
“This isn’t just a win for our product—it’s a win for consumers who deserve the very best,” said Brent Neidig, USANA 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.”
USANA’s maximum-strength Vitamin D supplement was designed to help with bone and teeth development and maintenance and aid in the absorption and use of calcium and phosphorus. Its 50 mcg (2000 IU) of vitamin D per tablet is more than four times the amount of the current recommendation.
“At USANA, we don’t just meet standards—we redefine them,” said Dr. Kathryn Armstrong, USANA 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.”
