It is not recommended to take lipoic acid medication blindly in normal people. Lipoic acid is a coenzyme found in mitochondria that eliminates free radicals from the body and prevents oxidation of nerve tissue. Pharmaceutical lipoic acid, such as lipoic acid capsules, is generally used to treat diabetic peripheral neuropathy, helping to restore damaged nerves and reducing the chances of fundus lesions. Lipoic acid is also used to treat cardiovascular and cerebrovascular diseases, as well as abnormalities of the liver and kidneys. Adverse reactions to lipoic acid capsules include nausea, vomiting, diarrhea, stomach pain, abdominal pain; allergic reactions such as rash, urticaria, and itching; neurological such as altered or abnormal sense of taste; and others such as decreased blood glucose in a few cases due to improved sugar utilization. It is contraindicated in people who are allergic to the drug. Lipoic acid is contained in daily vegetables and meat, and by taking care to eat a balanced diet, normal people are usually not deficient in lipoic acid. Therefore, it is not recommended that normal people blindly take lipoic acid drugs. For those who are allergic to the drug, it is prohibited. If you need to take zinc sulfate due to medical conditions, you must use it under the guidance of a doctor, and you need to monitor your blood sugar regularly during the use of the drug, so as not to jeopardize your health.