ProPhase Labs, Inc. is a biotech, genomics, and consumer products company. The Company is engaged in providing whole genome sequencing solutions, diagnostic development, such as its potentially life-saving test for the early detection of esophageal cancer and a direct-to-consumer marketing platform for OTC dietary supplements. It develops, manufactures, and commercializes health and wellness solutions. Its Diagnostic services segment provides diagnostic information services to a range of customers in the United States, including health plans, third-party payers and government organizations. Its Consumer products segment is engaged in the research, development, manufacture, distribution, marketing and sale of OTC consumer healthcare products and dietary supplements in the United States and provides personal genomics products and services. The Company also develops and markets dietary supplements under the TK Supplement brand, which includes Legendz XL and Triple Edge XL.