http://www.hightimes.com/read/fda-issues-warning-letters-cbd-hemp-oil-makers
Anyone interested in getting cannabis flowers, extracts or infused products high in CBD should seek actual high-CBD cannabis (with CBD sometimes at more than 20 percent dry weight), not products made from industrial hemp. Cannabis bred for CBD and grown in healthy soils or in a clean hydroponic matrix is optimal for making safe medicinal products...