discovering what prana knew years ago, page-4

Marwoode"we all know that PBT1 had a impurity problem, but take that out of the equation, which is what PBT2 supposedly has done, and surely there is some solid cognitive benefit left to make a difference?"
Prana claim PBT2 to be much more potent against Alzheimers than PBT1. It was the PBT2 trial which showed stat sig improvements in 12 weeks.

Those two links support Prana?s theory of the metals being the problem. The industry discounted the metal ion theory and looks like it is returning. It must be hard to ignore Prana?s trial results. There are many abstracts from all over the world now backing the metals idea.