Alagitanins are a family of molecules. There is a part of the molecule that that's called a tannin, that has a tannon component to it. Even if you don't have cancer, your immune system is wiping out microscopic cancer. The reason people should want to actually have a strong immune system isit has nothing to do with a pendemic. You want your immune system to be conducting surveillance like a cop on a beat and spot all those microscopic cancers at i try to be forming.