About this item America’s #1 Selling Dog Supplement Brand on Amazon* Pawsome Immune Support – Zesty Paws Aller-Immune Bites are pet supplements that support immunity, digestive function, and sensitive skin, and may help maintain normal histamine levels for your doggy. Featuring EpiCor Pets – At 80 mg per chew, EpiCor Pets is a whole food yeast fermentate that helps support the immune system for your canine companion. Skin & Immunity – Includes Colostrum and Astragalus Root which may support normal histamine levels and immune response, plus Salmon Oil (with Omega-3 EPA & DHA fatty acids) for skin health. Gut Health – These chewables contain probiotics (with Lactobacillus acidophilus probiotic) to support normal gut flora for your pup. Treat Your Pup to Pawsome Ingredients – Made with premium ingredients that support digestion, immune function, and seasonal allergies, these chews are great for your doggie.