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Workplace racial discrimination remains a pervasive and harmful reality with profound implications for health and well-being. Drawing on evidence from three interrelated independent studies using both primary and secondary Canadian data, this research provides a comprehensive understanding of how workplace racial discrimination functions as both a social determinant of health and a chronic stressor contributing to adverse health outcomes and persistent health inequities. The findings demonstrate that workplace racial discrimination, manifesting through inequities in hiring, promotion, retention, and interpersonal interactions, increases the risks of significant psychological, physiological, and physical health outcomes for racialized workers. Experiencing workplace racial discrimination was strongly associated with heightened risks of anxiety, depression, stress and post-traumatic stress disorders, reinforcing mental health disparities across racialized groups. In addition, workplace racial discrimination increased perceptions of work-related stress, which in turn elevated the risk of diagnosed chronic conditions such as cardiovascular disease, Type 2 diabetes, high cholesterol, stroke effects and musculoskeletal disorders. Physiological assessments further revealed that recalling racial discrimination experiences contributes to dysregulated cardiovascular reactivity, including elevated systolic and diastolic blood pressure, as well as mean arterial pressure values above the normal range. Particularly severe forms of racial discrimination, implicating job loss, early retirement, undesirable resignation or leaves were linked to greater blood pressure increases. When incidents of racial discrimination were reported, especially when participants received acknowledgment of their experiences, physiological responses were attenuated. These results underscore the importance of personal action, recognition, accountability and institutional action in mitigating health risks. These findings underscore how workplace psychosocial stressors trigger harmful biological and physiological responses that may result in lasting health consequences. Taken together, this research highlights workplace racial discrimination as a critical public health concern that transcends individual experiences and reflects broader organizational inequities. Conceptualizing discrimination as a chronic stressor provides an essential understanding in addressing racial health disparities. The evidence points to the urgent need for organizational reforms, robust anti-discrimination policies, and workplace practices that not only prevent discrimination but also support the mental and physical health of racialized workers. Addressing workplace racism is not solely a matter of social justice; it is a public health imperative with the potential to reduce disparities, promote workplace equity, and improve the overall well-being of diverse populations.