Protein SA

Protein, S.A. is a Spanish biotechnology company specializing in the research, development, and production of hydrolyzed collagen and protein-based ingredients for the healthcare and nutraceutical industries. Founded in 1976 and headquartered in Girona, the company is a pioneer in the field of bioactive collagen peptides, which it markets under the flagship brand Colpropur. Its products are primarily designed to support joint and bone health, skin rejuvenation, and sports nutrition, with a strong emphasis on clinical validation. In 2022, Protein, S.A. was acquired by Darling Ingredients, integrating its operations into the global Rousselot business unit. The company continues to operate its advanced manufacturing facilities in Spain, supplying high-quality protein solutions to international markets.