NOW Begins DNA Testing Probiotics to Ensure Strain Identity

NOW, based in Illinois, has augmented the company’s testing capabilities with new equipment to verify the identity and purity of the company’s key probiotic products. It recently installed the Dupont RiboPrinter System, which uses DNA-fingerprinting technology to identify specific strains of bacteria, as well as unknown microorganisms.  While accuracy of DNA testing for herbal products is somewhat controversial […]