Is zeolite completely safe?
Yes. Natural zeolites are inert, non-toxic minerals which are federally classified as GRAS (Generally Regarded As Safe). You can view this GRAS status mentioned at: http://www.gsaresources.com/PDSZK406H.htm. The page goes on to explain, “Natural zeolites are inert, non-toxic minerals which are federally classified as GRAS (generally recognized as safe) in most applications and exempted from regulations and reporting when used in accordance with good agricultural practice and when less than 2% in animal feed products (40 CFR, Part 180.1001).” There are 48 natural occurring zeolites that occur in nature and we must realize that not all zeolites have the same chemical composition. OAW uses the absolute best grade of zeolite (clinoptolite) available.