International Vitamin Corporation (Formerly Adam Nutrition) Employee Directory
ManufacturingCalifornia, United States51-200 Employees
International Vitamin Corporation, based in Mira Loma, California, is a mid-sized contract and private-label manufacturer and distributor of nutritional products. The company provides end-to-end capabilities across product development, manufacturing, packaging, quality assurance, and supply chain management, supporting MLMs and retailers with both domestic and international distribution. Its production scope includes powders, tablets, capsules, and soft-gel formats, ranging from multivitamins to joint-care products and single- or multi-ingredient shakes. Formerly known as Adam Nutrition, the firm positions itself as a full-service partner for private-label and contract manufacturing serving growing and mature sales organizations in the United States. In 2026, Food Business Review named it the Top Private Label Supplement Manufacturer.
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