What's the Difference Between the Third Party Verification Companies?

Third party verification companies, n s f, international consumer lab and us p as in peter a. Us p they are mainly dealing with vitamans and minerals. If none of these suits your fancy, then go for the pharmaceutical grade ones,. And usually pharmaceutical grade products are only those that can be a dispensed through a health care practitioner. It does cost companies a lot of money to get that stamp of approval.