Biopharmaceutical supply chains in emerging markets face numerous challenges that hinder the efficient development and distribution of essential medicines. These challenges include regulatory barriers, infrastructure deficiencies, logistical inefficiencies, and market volatility. This paper explores strategic approaches to optimizing drug formulary development within these contexts, highlighting the importance of data-driven decision-making, regulatory harmonization, and public-private partnerships. The research also discusses technological innovations, such as blockchain, IoT, and automation, which can enhance supply chain operations' transparency, traceability, and efficiency. By identifying these challenges and proposing actionable solutions, this paper offers recommendations for policymakers, industry leaders, and healthcare providers to strengthen supply chains and improve access to life-saving drugs. Future research directions are also outlined, focusing on the role of digital transformation, sustainable supply chain models, and regulatory advancements. Ultimately, this paper aims to contribute to the ongoing efforts to enhance drug formulary development and supply chain efficiency, ensuring equitable access to affordable medicines in emerging markets.