Leros juice Blueberry + 5 herbs is a concentrate that you can use to flavor water or tea and dilute in any proportion. It does not contain preservatives, gluten or artificial sweeteners and is also suitable for vegans. It consists of blueberry juice and supplemented with elderflower, peppermint, sagebrush, birch leaf and black and white wormwood, which give the drink an unmistakable taste.