Originally Posted by adam_mac84

but at what point is anecdotal substantiated? (obviously a double blind trial would be nice), but i have never seen one of those on these types of products.

Here's a pot stirrer, i have seen chiropractors do very similar effects with patients testing their balance or strength, and manipulating an unrelated spinal segment, and having changes 'instantly' following the manipulation. (example, manipulating cervical region, having improved balance in legs)