Reports say she bought the Japanese Laennec treatment from an online pharmacy without a prescription and set up a drip for herself and Zhulin without contacting a qualified medic.
A suspicion is that the drug had remained in a saline drip for several days and an 'infection formed in it due to coagulated protein'.
https://www.dailymail.co.uk/news/article-11911135/amp/Model-dies-using-health-boost-drip-based-human-PLACENTA.html
Aka choice employed to handle domestic (balance) concerns...a steward of will.