International Sustainability Group, Inc. (ISG), based in Malvern, Pennsylvania, is dedicated to developing and commercializing nutritional and various other products sourced from algae. The company's diverse range includes algae-based biomass for human, piscine, and animal diets, alongside algae cakes specifically formulated for livestock and aquaculture. ISG also manufactures astaxanthin, a compound utilized for alleviating joint discomfort and managing muscular degeneration, and omega-3, recognized for its efficacy in preventing heart conditions and cancer, as well as enhancing immune function.