Tonify the Yang (bu yang)
These herbs that tonfiy the yang strengthen the warming, activating yang energy of the body, in particular of the Kidneys (the seat of all yin and yang energy in the body) but also of the Spleen and Heart, alleviating symptoms such as: exhaustion, cold extremities, sore low back, low libido, impotence, infertility (Kidney yang deficiency), fatigue, poor appetite, bloating after eating, loose stools (Spleen yang deficiency) and palpitations, sweating and discomfort in chest (Heart yang deficiency).