Nutritional Yeast Is A Trigger For Crohn’s Disease
Nutritional Yeast and Crohn’s Disease
Crohn’s disease is an inflammatory bowel disease (IBD). The inflammation may occur in any part of the digestive tract, from the mouth to the anus, but usually affects the end of the small intestine called the ileum.
There are different forms of IBD, and they have their differences. It appears nutritional yeast plays an important role in Crohn’s disease, more so than in other IBDs like ulcerative colitis.[1]
A clue as to yeast’s role in Crohn’s disease was with bakers, who have the highest rates of Crohn’s disease death and highest rates of Crohn’s disease.[2]
Yeast, Nutritional Yeast, and Diet
The food industry presumed nutritional, bakers’, and brewers’ yeast, which are all the same yeast, to be safe for human consumption. The Saccharomyces cerevisiae fungus is deactivated in nutritional yeast, which led the food industry to think it was harmless.
It is not harmless though. The consumption of nutritional yeast plays a significant role in Crohn’s disease.
Researchers tested several substances to determine their role in Crohn’s disease and nutritional yeast had the most severe impact on inflammation in the digestive tract.
Researchers in this study pricked the inside of rectums with six food antigens that included yeast, milk, peanut, cereal, citrus, and cabbage. As you can see in the image below, Crohn’s patients had the most significant adverse reaction to the nutritional yeast.
Nutritional Yeast and Candida
Even though nutritional yeast contains dead Saccharomyces cerevisiae fungus the body still recognizes it protein structure. 1 in 20 people in the U.S. have anti-yeast (Saccharomyces cerevisiae) antibodies in their bloodstream.[3] 60-70% of people with Crohn’s disease have anti-yeast Saccharomyces cerevisiae antibodies.
The antibodies attack the yeast protein even though it deactivated. The body attacks nutritional yeast (Saccharomyces cerevisiae) because its structure resembles Candida (Candida ablicans) which causes thrush and vaginal yeast infections.
This leads to inflammation is the digestive tract and supports the development of Crohn’s disease.
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Sources:
[1] Anti-Saccharomyces cerevisiae antibody titres correlate well with disease activity in children with Crohn’s disease.
[2] Occupational mortality of inflammatory bowel disease.
[3] The impact of intestinal resection on serum levels of anti-Saccharomyces cerevisiae antibodies (ASCA) in patients with Crohn’s disease.
