Copper water bottles offer a blend of scientifically backed and traditionally claimed health benefits, primarily rooted in the metal's natural antimicrobial properties. When water is stored in an unlined copper vessel for several hours, minute amounts of copper ions dissolve into the liquid through a process known as the oligodynamic effect, which effectively sterilizes the water by destroying harmful bacteria, viruses, and fungi. This natural purification process ensures a safe, trace intake of copper, an essential mineral that supports vital bodily functions. While ancient wellness traditions like Ayurveda and modern user communities claim that drinking from these bottles can also improve digestion, boost immunity, and enhance skin health, medical experts note that scientific evidence for these extended health claims is limited. Furthermore, because copper can be toxic in high doses, users must be mindful not to over-consume copper water, use the bottles strictly for plain, room-temperature water rather than acidic or hot drinks, and regularly clean the interior with natural agents like lemon and salt to manage natural oxidation and tarnishing.  950ml