Lipoic acid is shown to help people with secondary progressive MS maintain brain mass and slow disability. The full study results are now published and available here: http://nn.neurology.org/content/4/5/e374.full
I wrote about this research when it was first presented at ECTRIMS last year. Yes, this inexpensive over the counter antioxidant pill is helpful---but it is only part of the answer for people with MS. Here's why:

An inexpensive over the counter supplement, Lipoic Acid, has been shown to decrease brain atrophy and increase walking speed in people with ...