Turn back the clock with these Chinese tonic kidney strengthening herbs are anti-aging, antioxidant, anti-fatigue & anti-inflammatory. These herbs tonify the nervous system, endocrine system & cardiovascular system & protect the liver. They improve cardiovascular health by lowering cholesterol, widening coronary arteries and boosting blood flow to the heart. The herbs protect the liver, tone up the main internal organs, settle nerves, improve eyesight and reduce blood sugar levels to prevent diabetes. Rich in antioxidants, the herbs improve the immune system, slow down the process of cell aging and are anticancer. The tonic nourishes vitality, reduces excess heat, detoxifies the body, calms the mind and improves mental agility. This tincture is indicated for either Kidney Yin or Yang or Jing deficiency, just as walnuts are said to tonify kidney yin and yang simultaneously.