North America leads the Arg-C Protease market with a 40% share, driven by advanced healthcare infrastructure, high R&D investments, and strong adoption of precision therapies. Europe follows at 30%, supported by favorable regulatory policies, collaborative research ecosystems, and aging demographics fueling chronic disease management. Asia Pacific is the fastest-growing region, projected to capture 20% by 2028 due to rising healthcare spending, expanding biotech partnerships, and a burgeoning middle-class population. Latin America and the Middle East & Africa collectively represent 10%, with growth spurred by improving healthcare access and cross-border innovation alliances.