Deproteinized whey represents dairy-based substances primarily comprised of lactose, used in food science and feed production. Industries leverage this for non-protein-based nutrition enhancement. Its neutral flavor, easy integration, and affordability support widespread adoption. Despite minimal protein, its calcium and carbohydrate content bring value. Firms investing in advanced filtration techniques improve purity. Distribution spans pharmaceuticals, bakery items, and dietary mixes. Markets flourish in areas prioritizing affordability, safety, and scalable nutrition. Regulatory developments and consumer preferences shape trends. Environmental considerations push producers toward green processing. Regional expansions are fueled by partnerships and investments in supply chain optimization, ensuring market sustainability and growth.