Until the recent implementation of FDA’s inspection program under the new dietary supplement GMP (good manufacturing practice) regulation, perhaps the greatest change in agency inspectional procedures in the previous decade was the adoption of the principle that if your facility was operating, it was subject to inspection—even if the “management” was not on premises….
As the dietary supplement GMPs have begun rolling into effect, FDA has commenced implementation of its GMP inspection program. These inspections represent far more than a change in agency procedure; they are a sea change in the manner in which supplement manufacturers interact with investigators.
So, basically, manufacturers of supplements are now subject to inspection at the same level of scrutiny as drug and biologic manufacturers. Read the whole article for a brief description of what such an inspection entails.