How long it takes for Ginseng Deer Tonic to be effective is related to the patient’s physical condition and the severity of the disease, etc. Generally speaking, after accurate diagnosis by a physician, the effect will be seen in about 2 weeks after taking the tablet. Ginseng Deer Tonic can benefit Qi and nourish blood (replenish the body’s Qi and blood) as well as tonify the kidney. It is suitable for kidney yang deficiency (deficiency of yang qi in the kidneys), deficiency of qi and blood, coldness and limb coldness (fear of cold, cold limbs), mental fatigue, lumbar and knee soreness (feeling of soreness and weakness in the lumbar area and knees), dizziness and tinnitus. Its adverse reactions and contraindications are not known. It should be noted that this product should not be taken at the same time with quinquefoil, wulin, saponaria or their preparations; tea and radish and greasy food should not be consumed while taking the drug. Pregnant women, hypertensive and diabetic patients should be cautious. It is not suitable for people with external sensation or solid internal heat. Avoid greasy food. This product should be taken before meals. Standardize the use of medication under the guidance of a physician, and do not take it on your own. If there is no improvement of symptoms during two weeks or in the course of its administration, or if you feel other discomforts, you should stop taking the medicine immediately and go to the hospital in time.