 LOS ANGELES--BUSINESS WIRE--- CDXC healthyaging--ChromaDex Corp. NASDAQ:CDXC today announced the results of four recently published preclinical studies, highlighting new findings for its patented nicotinamide riboside NR healthy aging nutrient. Through the industry-leading ChromaDex External Research Program CERPTM, ChromaDex provides its patented NR ingredient, Niagen, technological and scientific expertise to research institutions and universities at no cost. ChromaDex continues to support NAD research t 