TdB Labs AB

TdB Labs AB

TdB Labs AB, a family-owned Swedish biotech company, specializes in developing and manufacturing dextran derivatives and other polysaccharides. Their product range includes fluorescent derivatives such as FITC, TRITC, ATTO™ dyes, and the proprietary Antonia Red™ dye, as well as non-fluorescent options like dextran sulfate variants, including DSS for colitis research.


With a strong focus on customization, TdB Labs provides unique polysaccharides tailored to specific needs, supported by rigorous quality control and detailed technical documentation. Their products are widely used in life sciences, including permeability studies, cell preservation, animal research, clinical product processing, diagnostic kits, and molecular marking.