Kidney tonic can be taken under the guidance of a doctor, or you can use yam, walnuts and other medicinal products. But there is no such thing as what to eat to replenish faster. Patients with kidney deficiency need to use medicines according to the specific situation, such as six flavors of di Huang Pills for kidney yin deficiency; Right Angelica Pills for kidney yang deficiency; Jin Lock Gu Jing Pills for kidney qi deficiency; and He Che Da Zao Pills for kidney essence deficiency. Yam can nourish the spleen, nourish the stomach, generate fluid and benefit the lungs, nourish the kidney and astringe the essence. It is used for spleen deficiency with little food, prolonged diarrhea, lung deficiency with asthma and cough, kidney deficiency with spermatorrhea, dyspareunia, frequent urination, and deficiency of heat and thirst. Walnut kernel can tonify the kidney, warm the lungs and moisten the intestines. It is used for kidney yang deficiency (lack of yang energy in the kidneys), lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee regions), impotence and spermatorrhea, asthma and coughing with deficiency of lungs, and constipation with dryness of intestines. Patients are advised to seek prompt medical attention and treatment with medication under the guidance of a doctor.