International Vitamin Corporation Employee Directory
ManufacturingSouth Carolina, United States501-1000 Employees
International Vitamin Corporation is a Greenville, South Carolina-based manufacturer that has produced vitamins, minerals, and dietary supplements for leading U.S. retailers for more than half a century. The company also develops nutritional, prescription, and over-the-counter products for contract customers around the world. Its focus on innovation, quality, and supply-chain efficiency underpins its growth in the nutraceutical market, with services that include private-label and contract manufacturing for a diverse client base. Headquartered in Greenville, IVC expanded its manufacturing footprint in 2021 by acquiring GNC's Nutra Manufacturing division, reflecting a strategy to broaden its capabilities. In 2026, it was recognized as the Top Private Label Supplement Manufacturer by Food Business Review. The company has also hosted community-oriented events, such as a charity golf tournament in 2025.