I can't find the raw form of AVC is 100% all natural organic no additives of any kind still good to use? What is the best & fastest working natural wormer to use? I want to worm my flock but I don't really want anything that keeps me from using my eggs for several weeks. But I do have atleast 1 that has worms I seen them for the first time this morning when I cleaned under roost. But if I have to use something else what is the best brand?