----- The CAPP2 trial conducted in the United Kingdom showed that consuming 30 grams of resistant starch per day for at least 2 years can reduce the risk by over 45% for all non-CRC Lynch Syndrome cancers and by even more, over 60%, for upper gastrointestinal cancers, such as pancreatic, stomach, bile duct, duodenal (the beginning of the small intestine). This eect was enduring during the 20 year follow up of participants. [JRF\_StarchGuide\_5.5x8.5\_0424\_v5](https://static1.squarespace.com/static/61f1d51f2b930753e3d8a78e/t/6629df1e66cc4a22026d439d/1714020127124/JRF_StarchGuide_5.5x8.5_0424_v5.pdf) Source: [What is Lynch Syndrome? — Jacqueline Rush Foundation](https://www.jrushfoundation.org/what-is-lynch)