They have not get past FDA testing to be attestation for food prep surfaces, and for the maker the answer is no. TopCoat is working on stainless steel, cabinets, back splashes, glass, mirrors, etc. Due to grease will wipe easily wipe off, finger prints won't be together, it won’t leave late a greasy sticky residue, it’s not easy to fire, and it will be out the natural face of the materials you coat. TopCoat is the greatest surface sealant in the global. It is water basic and can be used to any surface. You can apply more it on the primary coat. If you use it many times, you will stop it. It formula offers handy cleaning & easy maintenance once sealed.