So full of errors were the firm's online ads for its Plavinol supplement, the National Advertising Division noted support for some claims contained "many of the same flaws" as others. The prevalence of problems prompted NAD to go outside its "scope of review" and note unclear instructions on Plavinol labels.

Perrigo "walked away a little bit" from "a model that worked beautifully," says CEO Murray Kessler at investor conference, "In essence, all we've done over the last year is to put back in place the model that worked so well."

Recent statement that FDA has not found evidence supporting CBD as GRAS for use in human or animal food potentially points to NDI notifications as the only option manufacturers, marketers and other businesses will have to convince agency about safety for CBD and other hemp-derived substances used in dietary supplements.

EPH Technologies apparently heeds FDA's warning, which also noted violative drug and disease claims for nasal sprays. EPH continued selling other supplements on 2 December, but the three that FDAcited in 18 November warning were not available.