The pet cognitive supplement market is projected to grow from USD 850.0 million in 2025 to USD 1,472.5 million by 2035, at a CAGR of 5.6%. By pet type, dogs segment will account for 72% of demand in 2025, while omega-3 fatty acids will lead the ingredient segment with 28.0% share and chewables will hold a 55.0% share by form.