Colgate has partnered with Nourish3D, a company that 3D-prints various dietary supplements, over the so-called Nutristacks chewables that contain ingredients meant to provide oral care similar to that of mouthwash. The 3D-printed Nutristacks cost £35.99 for a batch of 28, and contain dietary supplement like calcium, arginine, xylitol, B12, or CoQ10.
https://www.notebookcheck.net/3D-printed-Colgate-Nutristacks-unveiled-as-chewable-mouthwash-for-dental-health-and-oral-care.609791.0.html