The Application segment dominates the Casein market, accounting for roughly 55 % of total revenue. Food & Beverages leverages casein’s functional properties—emulsification, water‑binding, and heat stability—to formulate cheese, yogurt, protein‑enriched drinks, and bakery ingredients; this sub‑segment drives the largest share due to growing consumer demand for high‑protein products. Pharmaceuticals, representing about 20 % of the market, utilizes casein in controlled‑release tablets, wound‑healing dressings, and nutraceuticals, where its biocompatibility and slow‑digest characteristics add clinical value. The Animal Feed category, contributing roughly 15 % of sales, incorporates casein as a high‑quality protein supplement for livestock and aquaculture, improving growth rates and feed efficiency. Finally, Technical applications—adhesives, coatings, and biodegradable plastics—make up the remaining 10 %, exploiting casein’s film‑forming ability and renewable nature. Together, these application clusters define the overall market size and illustrate the breadth of Casein segmentation across industries.