A: Yes, reverse osmosis (RO) water is safe to drink. It effectively reduces up to 99% of nearly 100 contaminants such as heavy metals, chemicals, and PFOS. While RO filters removes some minerals in water, the minerals our bodies need are primarily obtained through the food we eat, so mineral absence in water does not make it unhealthy. In fact, RO water is often considered safer than unfiltered tap water, especially in areas with water quality concerns.