I synthesized olestra from biodiesel, sugar, and soap with a sodium metal catalyst. I also describe some of the history of olestra's development.
Procedure that I used (Example 1) https://patents.google.com/patent/US3963699A/en
Other resources: https://patents.google.com/patent/US20060047109A1/en
https://patents.google.com/patent/US4611055A/en
https://sci-hub.se/https://doi.org/10.1021/ed068p476
Biodiesel: https://www.e-education.psu.edu/egee439/node/684
https://extension.okstate.edu/fact-sheets/biodiesel-production-techniques.html
https://www.youtube.com/watch?v=3anau83Qxt4
Epogee fat substitute: https://www.epogee.com/the-technology
https://healthsmartfoods.com/products/sweet-nothings-low-fat-chocolate-covered-caramel
Potassium oleate soap synthesis: https://lipidlibrary.aocs.org/documents/LipidsLibrary/Book%20II_ch03.pdf
Studies on gastro distress and calorie compensation: https://sci-hub.se/https://doi.org/10.1046/j.1467-789X.2002.00050.x
https://sci-hub.se/10.1006/rtph.1997.1164
https://sci-hub.se/10.1001/jama.279.2.150
Anal leakage MadTV: https://www.youtube.com/watch?v=Tx9LSEjgQxY
Support Applied Science on Patreon: https://www.patreon.com/AppliedScience