All teas come from the plant Camellia Sinensis. Pu-erh belongs to the dark teas, considered the fifth category of tea and similar to black teas but are aged in carefully controlled environments after they are oxidised. This specialty China tea from the Yunnan province is rich, earthy and musky in flavour. Pu-erh teas may aid in weight loss, may lower cholesterol levels, enhance circulation, help digestion, and increases energy levels. High caffeine content.