Eloise Aimee Parry (21) went to Royal Shrewsbury Hospital after taking the pills and sadly died on Sunday 12th April. Formal cause of death will be confirmed by the coroner at a later date. The tablets are currently being tested and are believed to contain a substance called dinitrophenol or DNP, which is highly toxic and very dangerous. West Mercia Police are conducting a full investigation into the circumstances of Eloise's death and are sending a stark reminder to the public of the dangers of buying substances online.