A multivitamin is not even getting started on brain nutrition. The RDA used to formulate multivitamins is designed to prevent malnutrition, not promote optimal health. The B-12 in a multi is probably 5 mcgs. 1000 mcgs would be a good start.

The subtle neck issue from a concussion is rarely imaged in a CT Scan or X-ray. It is just a strain and bruise to the ligaments and surface that causes inflammation. The inflammation is the problem. The neck brace and imaging was to check for spinal cord risk. It is just EMT and ER protocol.

It sounds like you have a good health plan and the hospital and doctors were eager to bill for services. An EEG would not be indicated without seizures. A follow up MRI would also not be indicated without severe symptoms. A CT Scan is usually a better scan for head injuries. A CT Scan at 72 hours post impact would be optimum if you had symptoms that indicated a problem.

Otherwise, they are just subjecting you to excessive radiation and expense.

Avoid physio that pursues range of motion. Your neck may be strained by pushing for range of motion. Most physios like to track progress by pushing range of motion. Gentle traction with mobilization is about all you want until your heal.

Where is Oz?