There is no such thing as what to eat to nourish the nerves the fastest, you can be assisted by some drugs that nourish the nerves, such as methylcobalamin tablets, vitamin B1 tablets and so on. 1. Methylcobalamin tablets: clinically mainly used for peripheral neuropathy. It can promote the utilization of folic acid and the metabolism of nucleic acid, promote the function of axonal transport and axonal regeneration, normalize the delayed synaptic transmission and transmitter reduction, and inhibit neurodegeneration. Adverse reactions: Occasional allergic reactions, such as skin rash, occasional gastrointestinal reactions such as loss of appetite, nausea, vomiting, diarrhea. Allergic to drugs or ingredients are prohibited. 2. Vitamin B1 tablets: belong to vitamin drugs, involved in the formation of coenzymes in the body, can maintain normal glucose metabolism and the function of the nervous and digestive systems. Clinically, it is mainly used for the treatment of vitamin B1 deficiencies, such as beriberi, dyspepsia, neuritis and so on. Adverse effects: Normal doses are generally not toxic; overdose may cause lack of appetite, diarrhea, swelling, irritability, headache, and fatigue. Contraindications are unclear. Physical discomfort should be promptly consulted with a physician, and all medications should be used under professional medical supervision.