Our NEW Mulberry Leaf Black Tea has been developed using a new patented scientific fermentation process. Our process results in a Mulberry Tea with a year around supply, intestinal friendly, much improved sweet taste and pleasant aroma. However, our Mulberry Black Tea maintains all of the centuries old, research proven, herbal benefits available in Green Mulberry Teas. So, now, there is a Mulberry tea with great medicinal benefits that is pleasant to drink every day.