CanisLabs

His reactivity is a gut problem. Not a training problem.

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95% of serotonin is made in the gut — not the brain. Read that again. When your dog's gut breaks, his nervous system runs out of the one chemical that keeps him calm. He can't help the lunging. Can't stop the barking. His body is in a serotonin drought. That's why training doesn't stick. Meds zombie him without fixing the source. And every "calming treat" on the shelf just adds bacteria that die before they reach the gut. Postbiotics skip the whole broken supply chain. They're the finished serotonin-precursor compounds, delivered directly. His reactivity isn't a personality. It's a nutrient deficiency. 35,000+ dogs helped. 90-day money back.