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Stresstabs is one of the brands of International Vitamin Corporation (IVC), for more than half a century, IVC has been producing some of the highest quality dietary supplements for leading retailers in the U.S. as well as nutritional, prescription and OTC products for contract customers throughout the world. IVC's ability is to deliver on innovation, quality and supply chain efficiency has enabled them to become one of the fastest growing companies in the nutritional market. With more than 55 years of experience as an industry-leading supplier, IVC is more focused than ever and are ready to be your preferred supplier for vitamins and related health products. IVC's mission is to be the preferred supplier of vitamins and nutritional supplements. is proud to carry the entire range of this fine brand.