PreforPro is marketed as "prebiotic" supplement. But, that's completely inaccurate. It's actually 4 different bacteriophages (viruses): LH01 - Myoviridea LL5 - Siphoviridae T4D - Myoviridae LL12 - Myoviridae Basically, it's viruses that kill bad bacteria. Fascinating, no? It's in several...