Marathoner died after using supplement [PHOTO/VIDEO] in London, UK. The London marathoner who died after collapsing near Buckingham Palace was using a supplement named Jack3D.
The supplement contains DMAA or dimethylamylamine, which is prohibited by the World Anti-Doping Agency.
Claire
Squires, 30, was running in the London Marathon to raise money for
suicide prevention. Her untimely death spurred more than $1 million in
donations. Go here to read more and see the photos and video.
