rom what I know the B Vitamins will help you the most..... I think you are on the right track.... Make sure you are getting plenty off all the necessary vitamins and are on a good diet.
As an FYI - below are the ingredients of a Nerve Repair Supplement that is sold commercially - might give you some ideas on "essentials"......
Amount Per Serving % Daily Value
Vitamin A (as palmitate) 1000 IU 20%
Vitamin C (as ascorbic acid) 50 mg 83%
Vitamin E (as d-alpha tocopheryl succinate) 25 IU 83%
Thiamin (as thiamin HCL) 20 mg 1333%
Riboflavin 5 mg 294%
Niacin (as Niacinamide) 25 mg 125%
Vitamin B-6 (as pyridoxine HCL) 10 mg 500%
Vitamin B-12 (as methylcobalamin) 1000 mcg 16,667%
Biotin (as d-biotin) 1000 mcg 333%
Folate (as folic acid) 400 mcg 100%
Magnesium (as magnesium glycinate) 10 mg 3%
Zinc (as zinc amino acid chelate) 10 mg 67%
Copper (as copper citrate) 250 mcg 13%
Nerve Preserve proprietary blend
Acetyl L-Carnitine, Horse Chestnut extract, Colostrum, L-Taurine, Butchers Broom Root, Alpha Lipoic Acid (as inositol hexaniacinate), Betaine HCL, Quercetin.