Hi pclack,
Welcome to the NeuroTalk Support Groups!
Here is the link to the TBI/PCS Forum.
Traumatic Brain Injury and Post Concussion Syndrome Forum
There are lots of helpful people who post there who might have some suggestions for you.
There are also some informational "Sticky" threads at the top of the page.
There is also the
Vitamins, Nutrients, Herbs and Supplements Forum