WILLOW GROVE, Pa.--(BUSINESS WIRE)--The latest data emerging from the Designer Drug Initiative at NMS Labs points to the continuing growth and diversification of the designer drug market. Expanding from a handful of compounds just two years ago, products currently on sale through smoke shops, novelty shops, convenience stores and online contain over 40 different chemicals, and the make-up of these has changed dramatically even over the first six months of the year.
