I got the for my son after reading Dr. Bock's book on the 4-A disorders. My son is a sickly child and the winter is usually a horrible time for the entire family. He has had croup more times than I can count and basically gets it every time he gets a cold. He has asthma and many food intolerance's on top of a weak immune system. Every winter of his life he has gotten the croup at least once a month if not more. Since taking the transfer factor he has not been sick even once!! It has been two months since his last episode. I hope I am not jumping the gun, but this is a first for us! I am very pleased with this product and it is the best supplement we have tried (and we have spent tons on supplements and food already). This is worth every penny!

I really didn't know what to expect from it, but after using 2/3 of the jar, I don't see any significant change.

my 2006 pathfinder was getting low about once a week. I bought this and haven't filled it up in over a month. no more sounds at all