Coconut oil 

 Coconut oil may have the highest impact on the bioavailability of polar antioxidant molecules.

Effect of three edible oils on the intestinal absorption of caffeic acid: An in vivo and in vitro study

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5472295/

Coconut water vinegar ameliorates recovery of acetaminophen induced liver damage in mice