Ginger herbal tea birt tangbirttangs stimulating ginger tea fuses piquant ginger with cloves and puer tea producing a rich warm and soothing infusion ginger calms and settles an irritated stomach and research shows it to be very effective against indigestion ginger is also known as a strong antioxidant that kills colds and viruses and combats chills and fevers birttangs ginger tea is blended with puer tea a unique type of green tea where the leaves are dried pressed into cakes