We had friends who had amazing results with his products.
The infomercial is long, but not baiting. I appreciated his own journey and his dedication to a lifestyle of food habits that heal--- rather than medicine that masks symptoms. These pre/pro/post biotics work with my own philosophy.
Gundry was believable and there was a huge amount of good info on his videos
Looked into that over a longer time until decided to try it out.
I'm not sure about similar businesses but after seeing a few targeted ads on Facebook, I decided to watch the 20 video and I was convinced and the product does as it is described.