NaturVets Gut Health + Allergy Dual Action Soft Chews bring together two targeted solutions to help support your dogs gut health and maintain a healthy immune response during seasonal changes.This soft chew supplement is vet formulated with Quercetin and Astragalus Root to support healthy histamine levels and normal respiratory function. This formula is paired with ProbioSEB CSC3 Probiotics, which help maintain a balanced gut microbiome, promoting digestive health, regularity, and overall comfort.