Protein digestion: When we consume protein-rich foods, our digestive system breaks down the proteins into amino acids, which are absorbed into the bloodstream.
Complex protein structures: Some proteins, such as those found in red meat and certain legumes, have complex structures that are more challenging to digest.
Incomplete digestion: Our bodies may not fully break down all the proteins we consume, leading to undigested protein reaching the large intestine.
Fermentation by gut bacteria: Undigested protein serves as a food source for gut bacteria in the large intestine. As they ferment the protein, they produce gas, including hydrogen, methane, and carbon dioxide.
Increased gas production: The fermentation process can result in increased gas production in the large intestine, leading to bloating and flatulence.
Individual variations: The amount of gas produced can vary among individuals based on their gut microbiota composition and digestive capabilities.
High-protein diets: Diets that are exceptionally high in protein, especially when combined with low fiber intake, can exacerbate flatulence due to increased protein fermentation.
Specific protein sources: Certain protein sources, like beans, lentils, broccoli, cabbage, and onions, contain carbohydrates called oligosaccharides, which can further contribute to gas production.