Resveratrol is what’s known as a sirtuin-activating compounds (STAC). These influence sirtuins. In plain English, they slows down cell aging. A lesser discussed STAC is quercetin. We will cut right to the chase and tell you the highest source… it’s capers. Number one is for fresh capers and even when jarred, they still take the … Continue reading 100 Quercetin Foods: Best Natural Sources Ranked