is carrageenan cancerous
April 2016. Research links carrageenan to gastrointestinal inflammation, including higher rates of colon cancer, in laboratory animals. Yet it is still found in many foods, including some certified organic foods. Cornucopiaâs report, Carrageenan: New Studies Reinforce Link to Inflammation, Cancer and Diabetes, compiles scientific studies pointing to harm from consuming food-grade carrageenan.