CVS Health generates the majority of its revenue through its pharmacy division, which accounts for over 67% of the company's total income. This significant portion of revenue is primarily derived from the sale of prescription medications, which are a critical component of CVS's business model. The pharmacy division not only includes retail pharmacies but also mail-order and specialty pharmacy services, catering to a wide range of patient needs. Additionally, CVS has expanded its services to include health clinics and wellness programs, further enhancing its revenue streams. The focus on prescriptions reflects the growing demand for healthcare services and the essential role that pharmacies play in providing access to medications for millions of Americans. As a result, CVS's pharmacy operations are a vital driver of its financial success and overall market position.