Pork loin is an ingredient that does not have any efficacy or effect. To tonify the kidney it is recommended to take medication. There are many medicines to tonify the kidney, which need to be administered according to the evidence of kidney deficiency. There are many types of kidney deficiency, mostly kidney yang deficiency and kidney yin deficiency. Kidney yin deficiency can be seen in the form of lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee areas), insomnia and dreaminess, hot flashes (a burst of heat), night sweating (abnormal sweating after falling asleep, but sweating stops after waking up), dizziness, tinnitus, impotence, premature ejaculation and other symptoms. At this time, you can use Zhi Bai Di Huang Wan, Liu Wei Di Huang Wan, Kidney Treasure Tablets and other drugs to regulate. Kidney yang deficiency can be seen waist and knee pain, erectile dysfunction, uterine cold infertility, fear of cold limbs (fear of cold, cold limbs), diarrhea, edema, fat tongue, etc., at this time you can use the compound Xuanju capsule, Jin Gui Kidney qi pill, gui shui dihuang pill and other drugs to regulate. Pork loin is pig kidney, contains a certain amount of protein, fat nutrients, while containing a variety of vitamins, calcium, phosphorus, iron, sodium and other minerals, appropriate intake of pork loin can be supplemented with nutrients, but does not have the role of drugs. When the kidney is not good, it is recommended to go to the local formal medical institutions as soon as possible, under the guidance of the doctor to use drugs to regulate, do not blindly use their own medicine, so as not to delay the condition.