Roi

ROI Water emerges from the Rogaška Slatina mineral springs in Slovenia, renowned for their exceptionally high natural magnesium content. Filtered through ancient dolomite rock, it acquires a distinctively rich, slightly salty taste and remarkable health benefits. Bottled at the source since 1641, ROI is celebrated as one of the world’s most magnesium-rich natural mineral waters, often enjoyed for its restorative and therapeutic qualities.