Nu-Tek BioSciences, a leading manufacturer of 100% animal-origin-free (AOF) peptones, protein hydrolysates, and cell culture media nutrients, today announced it has earned a Bronze EcoVadis sustainability rating for the third consecutive year. EcoVadis, one of the world's most recognized corporate sustainability assessments, has evaluated over three million suppliers across 230 industries. The recognition positions Nu-Tek's sustainability performance among the top 35% of suppliers; additionally, Nu-Tek's overall score increased by 14 points over its 2025 assessment, demonstrating the company's continued progress in environmental stewardship and sustainable operations.