Dog foods, treats, and supplements of Nature's Logic are manufactured right in the USA so its quality is assured. Their ingredients are sourced from the USA and other countries with the help of vendors that supply with good safety practices. Most of their animal ingredients come from the USA. Besides this, they get the ingredients from New Zealand, Australia, Canada, and Europe. The ingredients are sourced from vendors that guarantee it does not contain chemical preservatives, herbicides, or insecticides.