Efficas, Inc. (Efficas) is a privately held biotechnology company that is principally engaged in the research, development, and commercialization of products for the nutritional management of the immune system for humans and animals. The company mainly focuses on developing products that improve immune function. Efficas uses state-of-the-art tools, including animal cell culture, detection and quantification of immune cell subtypes, allergen specific immunoglobulins, and inflammatory mediators (including cytokines, chemokines and eicosanoids). In addition, its tools include quantitative analysis of gene transcription and translation and also use of gene array profiling for identification of those genes that are regulated by the bioactive compounds. Efficas is headquartered at Boulder in Colorado, the US.