Carrageenan: New Studies Reinforce Link to Inflammation, Cancer, and Diabetes

April 2016

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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.

Cornucopia’s report, Carrageenan: New Studies Reinforce Link to Inflammation, Cancer and Diabetes, compiles scientific studies pointing to harm from consuming food-grade carrageenan.

  • Read The Cornucopia Institute’s updated full report on the dangers of carrageenan.
  • Read the news release about the report.
  • Protect yourself and your family with Cornucopia’s carrageenan buying guide.
  • Many people report significant improvements in their gastrointestinal health after cutting carrageenan out of their diet. If your health improved after eliminating carrageenan from your diet, please let us know about it by filling out this questionnaire developed in collaboration with medical researchers.
  • Sign Cornucopia’s petition to the FDA to remove carrageenan from the food supply.

Why is Carrageenan in Organic Food?

The USDA’s National Organic Standards Board in May 2012 reviewed the continued use of carrageenan in organic food.  At the meeting, Dr. Joanne Tobacman, a physician-scientist at the University of Illinois College of Medicine and the nation’s foremost independent expert on carrageenan, presented her research and urged the NOSB to remove carrageenan from organic foods.

The carrageenan trade lobby group fought back hard, and found allies in companies like Group Danone (Stonyfield), CROPP (Organic Valley), Dean Foods (Horizon and Silk), Hain Celestial (Earth’s Best, Rice Dream and Westsoy) and Smucker’s (Santa Cruz Organics and R.W. Knudsen).

Their lobbyists convinced enough corporate-friendly NOSB members, including employees of Whole Foods, Organic Valley and Driscoll’s, to ignore the disturbing findings of dozens of independently funded and peer-reviewed studies, including several that found higher rates of colon cancer in lab animals given a diet containing food-grade carrageenan.

For decades, most organic food companies considered the seaweed-based “natural” food additive to be safe. The carrageenan industry lobby group had been effective in suppressing research. But since May 2012, no one in the organic industry can claim that they are not aware of disturbing research tying the food additive to serious potential health problems.

Choose Organic Products Wisely

Cornucopia developed a guide to help consumers avoid foods with carrageenan.

Some companies, like Tofu Shop Specialty Foods and Straus Family Creamery, have always offered foods without carrageenan.

Since our initial report was published in 2013, several companies, including Julie’s Ice Cream and Annie’s, have removed carrageenan from their product lines. So Delicious, Eden Foods, Clover Stornetta, Stonyfield Farm, Orgain and WhiteWave have committed to removing it from their products, and have reformulated many already.

Take Action – Protect Your Health

Cornucopia urges anyone suffering from gastrointestinal symptoms such as irritable bowel syndrome/IBS, spastic colon, inflammatory bowel disease, and chronic diarrhea to eliminate carrageenan from your diet to determine whether carrageenan contributes to the symptoms.

If you have eliminated carrageenan from your diet and have found relief from gastrointestinal symptoms, please share your story by filling out a questionnaire developed in collaboration with medical researchers. Your participation will help scientists better understand the severity and degree of carrageenan-related gastrointestinal disease in the general population.

Cornucopia is Taking Action Too

On March 15, 2013, The Cornucopia Institute sent a letter to Dr. Margaret Hamburg, then FDA Commissioner, requesting that the agency reconsider their June 2012 decision to deny the citizen petition by Dr. Joanne Tobacman, which requested the removal of carrageenan from the FDA’s list of approved food additives.

Cornucopia will testify and offer written comments to the National Organic Standards Board (NOSB) on removing carrageenan from the National List at the spring 2016 NOSB meeting. Watch for updates on our progress and steps you can take to help.

More on Carrageenan

Carrageenan: New Studies Reinforce Link to Inflammation, Cancer and Diabetes (April 2016)

Carrageenan Update (April 2015)

You Don’t Have to Eat Carrageenan: Finding Alternatives to a Toxic Food Additive (February 2014)

Is Carrageenan Natural? (January 2014)

Carrageenan: Risks and Reality (December 2013)

How Did Carrageenan Get Into Your Organic Food Anyway? (December 2013)

Carrageenan: How a “Natural” Food Additive is Making Us Sick (March 2013)