GC Biopharma Corp. is a biopharmaceutical company that develops and sells pharmaceutical drugs in South Korea, India, Taiwan, Japan, China, Malaysia, and internationally. Its product portfolio includes over-the-counter drugs, plasma-derived therapies, vaccines, and treatments for hemophilia, hepatitis B, and other conditions. The company was founded in 1967 and is headquartered in Yongin-Si, South Korea. It operates as a subsidiary of Green Cross Holdings Corporation.