Question: what is pgpr in reese's?
Answer: PGPR. Stands for: Polyglycerol Polyricinoleate. What it's in: Seemingly every low-cost chocolate (we found it in Hershey's Special Dark and Milk Chocolate Hearts, Reese's Peanut Butter-Filled Hearts, Kit Kats, Twix, Snickers, and M&M's)