Whan In Pharm Co.,Ltd. manufactures and sells various pharmaceutical products in South Korea. The company offers products, such as gastrointestinal, respiratory, cardiovascular, antidiabetic, antibiotic, antifungal, antihistamine, antiviral, antirheumatic, muscle relaxant, nonsteroidal anti-inflammatory, smoking cessation, erectile dysfunction, prostate disease, urinary disorder, osteoporosis, antiseizure, antidepressant, antipsychotic, central nervous system stimulant, anti-dementia, nootropic, alcohol use disorder, anti-Parkinson, multivitamin, external preparation, medical device, and sedative, hypnotic, and autonomic nervous system medications. The company was founded in 1978 and is headquartered in Seoul, South Korea.