Vitamin B12 is required for nerve function. Normal levels of B12 in the blood is 170-250 pg/ml, however blood levels may not accurately reflect concentration of B12 within the cells. Foods high in B12 include fish, meat, poultry, eggs, milk and milk products. B12 is not present in plant foods. Oral dose of B12 is 1000 mcg a day.
Vitamin B6 is involved in more than 100 enzyme reactions. B6 is found in a variety of foods with fish, beef liver and other organ meats, starchy vegetables and non-citrus fruits the richest sources. Oral dose of B6 ranges from 50-100 mg a day.
Vitamin D aka “the sunshine vitamin” is made by the skin when exposed to the sun. However, most people who live in the Midwest have some level of Vitamin D deficiency. Low vitamin D has been associated with a variety of muscle, bone, and nerve pain symptoms. Blood levels of vitamin D may not accurately reflect concentration of vitamin D within the cells. Vitamin D3 is readily available over the counter. Oral dose of vitamin D ranges from 1000 IU to 5000 IU daily.