Core Viewpoint - The article discusses the ongoing dispute between Huaxi Biological and Juzhi Biological regarding the measurement and standards of recombinant collagen products, emphasizing the importance of scientific validation and the need for reliable testing methods [1][5][7]. Group 1: Huaxi Biological's Position - Huaxi Biological published an article asserting that claims without scientific testing are pseudoscience, specifically targeting the lack of unified testing methods for recombinant collagen [1][7]. - The company argues that if the actual content of recombinant collagen cannot be accurately measured, then claims about its presence or efficacy become unverifiable, thus lacking scientific credibility [7][8]. - Huaxi Biological emphasizes the need for collaborative efforts to explore the limitations of current testing methods and to develop more precise standards, rather than evading verification [7][8]. Group 2: Juzhi Biological's Response - Juzhi Biological acknowledged the limitations of its existing quality standards and testing methods in a statement, indicating a need for continuous optimization to meet industry advancements [5][6]. - The company defended its testing methods by referencing national standards, claiming that the methods used by critics were not validated and therefore produced inaccurate results [6][8]. Group 3: The Role of "Big Mouth Doctor" - The influencer "Big Mouth Doctor" (Hao Yu) has been involved in the dispute, previously criticizing Juzhi Biological for alleged false claims regarding recombinant collagen content [1][6]. - Despite being silenced on social media, "Big Mouth Doctor" published an article aligning with Huaxi Biological's views on the standards of scientific validation, quoting philosophers on the nature of science [9][12]. - There are speculations about a potential conflict of interest between "Big Mouth Doctor" and Huaxi Biological due to their financial connections, suggesting that the dispute may have underlying commercial motivations [12].