The Shocking Foods Secretly Sabotaging Your Gut Health (And What to Eat Instead)
Hydrogen sulfide in the colon comes from sulfur-containing amino acids, like methionine, that are concentrated in animal proteins. There are also sulfites added as preservatives to some nonorganic wine and nonorganic dried fruit, but the sulfur-containing amino acids may be the more important of the two. When researchers gave people increasing quantities of meat, there was an exponential rise in fecal sulfides, as seen here and at 2:37 in my video.
Specific bacteria, like Biophilia wadsworthia, can take this sulfur that ends up in our colon and produce hydrogen sulfide. Eating a diet based on animal products, packed with meat, eggs, and dairy, can specifically increase the growth of this bacteria. People underestimate the dramatic effect diet can have on our gut bacteria. As shown below and at 3:12 in my video, when people are given a fecal transplant, it can take three days for their microbiome to shift. Take a powerful antibiotic like Cipro, and it can take a week. But if we start eating a diet heavy in meat and eggs, within a single day, our microbiome can change—and not for the better. The bad bacterial machinery that churns out hydrogen sulfide can more than double, and this is consistent with the thinking that “diet-induced changes to the gut microbiota [flora] may contribute to the development of inflammatory bowel disease.” In other words, the increase in sulfur compounds in the colon when we eat meat “is not only of interest in the field of flatology”—the study of human farts—“but may also be of importance in the pathogenesis of ulcerative colitis…”
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