I’ve noticed that while Purina One’s ingredient list might seem like a complex chemistry experiment, it actually adheres to AAFCO standards, so there’s some basement research backing it up. One thing to watch for is the type of proteins included—always check if you’re getting whole meats or processed meals, especially if your pup has dietary sensitivities. It seems many reviews suggest it’s a balanced, albeit sometimes “mystery meat,” option compared to brands that favor transparency. Always compare guaranteed analysis numbers and if you’re really curious, a good deep-dive into each nutrient’s role can definitely be enlightening.