BIXBI Organic Pet Superfood Daily Dog & Cat Supplement SUPPORTS A HEALTHY SKIN AND COAT FOR PETS WITH SEASONAL ALLERGIES - Mushrooms are linked to high levels of polysaccharides and beneficial effects on white blood cells. ALL-NATURAL, GRAIN FREE, GLUTEN FREE - Made without grains, glutens, artificial preservatives or flavors USA MADE - all BIXBI products are made proudly in the United States of America. USDA ORGANIC AND NASC CERTIFIED - Our products are certified by the National Animal Supplement Council (NASC) and USDA Organic. BIXBI does not guarantee the quality of its mushroom supplement products unless they are sold by and fulfilled by Amazon.com. Product sold by 3rd party sellers is not guaranteed.