https://askthescientists.com/qa/why-does-the-oil-in-biomega-dissolve-styrofoam/
somebody try some of these other oils........i dont have a styrofoam cup
Does Fish Oil Dissolve Styrofoam? - Ask The Scientists
Fish oil comes in two different forms with unique chemical properties. Learn why they differ in their ability to dissolve Styrofoam and how it affects their health benefits.
https://askthescientists.com/qa/why-does-the-oil-in-biomega-dissolve-styrofoam/