The Beta-2 Microglobulin (B2M) market outlook remains robust, driven by its critical role in diagnosing and monitoring chronic kidney disease, multiple myeloma, and other immune-related disorders. Market attractiveness is elevated by aging populations, rising prevalence of autoimmune diseases, and advancements in precision diagnostics. Competitive intensity is moderate, with key players leveraging R&D investments and strategic partnerships to differentiate in a fragmented landscape. The long-term outlook is optimistic, supported by growing adoption of biomarker-driven therapies and expanding applications in oncology and transplant medicine. Innovation landscape highlights next-generation immunoassays, AI-integrated diagnostic platforms, and POCT (point-of-care testing) solutions as disruptive trends. Demand–supply balance indicates steady growth, though supply chain constraints and specialized manufacturing requirements may delay capacity expansion. Key risk factors include stringent regulatory scrutiny, reimbursement challenges, and competition from emerging biomarkers like sFLC (free light chains). Strategic focus on geographic diversification and digital health integration will define market leaders in the coming decade.