Its an all natural trace mineral supplement. Contains 70+ naturally chelated minerals, 23 vitamins & antioxidants, 22 essential amino acids, enzymes and body & blood building nutrients. You add it to their water. I purchase mine from Murray McMurray but other hatcheries sell it as well.
Here is what I use when feather picking gets out of control and have had great results from it. Avia Charge 2000. I also found that free ranging greatly reduces feather picking. Just my experience with a problem that I personally don't think you can totally eliminate,but you can reduce it. I'm...