As consumers we are often unprotected, since, not being experts in chemicals or ingredients, we really do not know the quality of the products we consume. In the case of animal food, this situation is perhaps even more aggravated, since we are even more distant from understanding the content of what we read on their food packages.
Perhaps you have heard that in reality quite popular brands of dog kibble are of poor quality, but this information usually remains more of an urban legend than conclusive data. To improve the information circulating on this topic, the Center for Psychocorporal Studies has published an infographic that divides the most popular brands of croquettes and classifies them according to the type of real of each brand.
The rating goes from excellent to bad, and as you will guess, the best are those that truly contain meat inputs; The worst are those that are made only from corn or cereals.
Remember that the best food you can give your dog is a balanced diet with homemade raw foods such as chicken, rice, mashed potatoes, eggs, etc.