Walk into any pet store or scroll through an online supplement shop, and you will encounter a bewildering alphabet soup of “biotics.” Probiotics. Prebiotics. Postbiotics. Synbiotics. Each promises gut health, better immunity, and a happier dog. But what do these terms actually mean, and how do they differ in mechanism, evidence, and practical application? This…
The concept seems paradoxical: how can something dead help a living animal? If probiotics work because they are alive — colonizing, competing, metabolizing — then what possible benefit can their inactivated remnants provide? The answer lies in a fundamental insight of mucosal immunology: the immune system does not require living bacteria to respond. It responds…
Ten years ago, the canine gut microbiome was a research curiosity. Today, it is a clinical frontier. Veterinary gastroenterologists order microbiome panels. Supplement companies formulate around microbial targets. Dog owners discuss “gut health” with the fluency of biohackers. But what does the science actually support? Where is the evidence robust, where is it emerging, and…