You might want to consider picking up Dr. Horowitz's new book How Can I Get Better? He is such a bright guy. Just searching the ebook version, it lists 99 results for Glutathione.

I just started reading this book. You don't have to necessarily have Lyme to find this book beneficial. He has chapters on pain, autonomic nervous system, mitochondrial dysfunction, immune dysfunction, and environmental toxins etc. He also talks about IVIG through the book for resistant neuropathies and talks about nerve antibody panels. It's very interesting.