How long it takes for All Duchess Capsules to be effective is related to the severity of the condition. If the condition is mild, the time required is short; if the condition is serious, the time required is long. The whole Cortex Eucommia capsule is a proprietary Chinese medicine, Cortex Eucommia is the main ingredient. This product is a capsule, the contents of which are brownish powder; the gas is slight, and the taste is slightly salty. This proprietary Chinese medicine has the effect of lowering blood pressure, tonifying the liver and kidney, and strengthening the muscles and bones. It has therapeutic effect on high blood pressure, lumbago caused by kidney deficiency, lumbar and knee weakness and other conditions. The adverse reactions, contraindications, and precautions of Quan Du Zhong Capsule are not known at present. Before taking this medicine, you need to be guided by a Chinese doctor for identification, and you can’t take the medicine on your own to avoid causing damage to your body.