NutroNutro, a Mars Petcare brand, makes dog and cat foods with multiple sublines and formats (dry, wet, grain-free) for different life stages and dietary needs. Its offerings include Natural Choice, Nutro Ultra, Limited Ingredient Diet, Nutro Max, and treats, all centered on high-quality protein and wholesome ingredients. The company also provides educational resources such as an ingredient glossary and sustainability info, plus the Sensitive Support Center with Pawscan to help diagnose pet health issues.