Tag: Moscow mule mugs

According to the National Institutes of Health, copper is an essential mineral for the human body, but excessive intake can lead to health problems. This is why properly understanding the safety risks is crucial before deciding if drinking out of copper cups is bad for you.

Over time, pure copper naturally develops a protective patina, or tarnish, when exposed to air and moisture, leading many to wonder if their copper cups go bad. The good news is that copper drinkware doesn't technically expire, but it does require proper care and safe usage to remain functional and hygienic for many years.