The hydrolyzed casein market is projected to grow from USD 3.3 billion in 2025 to USD 5.7 billion by 2035, registering a robust CAGR of 5.6%. Enzymatically hydrolyzed casein holds the largest product segment share at 41.2% in 2025, driven by its high digestibility and hypoallergenic properties. The infant nutrition segment will dominate the end-use category with a 43.6% market share, owing to its role in formulating allergy-friendly and easily absorbed protein-rich baby formulas.