SPORTS SUPPLEMENT LED TO DEATH OF HEALTHY MARATHON RUNNER.
Claire Squires, 30, a keen runner, collapsed a mile from the finish line April 22 last year.
The hairdresser, from North Kilworth, Leicestershire, suffered cardiac failure and was dead within two hours, an inquest at Southwark Coroner's Court heard.
She bought the supplement Jack3D online but did not realise it contained 1,3-dimethylamine DMAA), an "amphetamine-like" substance which increases heart rate, the court heard.
Boyfriend Simon van Herrewege told the hearing Miss Squires put a scoop in her water bottle for a boost she needed it during her charity run for the Samaritans.
Outside court he read a statement behalf of the family. He said: "Claire would never ever have taken anything that would cause her harm, even worse, risk her life.
"She innocently took a supplement which at the time was entirely legal and widely available on worryingly, apparently used by so many Rothers. It is clear that there needs to be far better supervision of the so-called health foods and supplements industry so that no more tragedies like this happen.
"Claire was a beautiful person committed to helping others.
"We have been comforted by all those who knew and loved Claire and by the heart-warming support shown by the general public through donations to the Samaritans and subsequent charitable events to raise money in her name.
"The overwhelming response will help Claire's memory live on and hopefully help others."
" Coroner Dr Philip Barlow issued a similar warning: "My hope is that the coverage of this case and the events leading up to Claire's death" A spokesman for the Medicines and Healthcare products Regulatory Agency said: "The MHRA took actionremove the unlicensed sport supplement Jack3D from the UK market in August 2012.
"These types contain powerful ingredients which can have serious