High-protein diets are often seen as a shortcut to better fitness, improved muscle growth, and even weight loss. But in a recent Instagram video, UK-based surgeon Dr Karan Rajan explained that excess protein intake can have unintended consequences inside the digestive system.

According to him, “If you eat too much protein, it’s not always good for your gut health . Most of the protein you eat is meant to be broken down and absorbed in the small intestine. But when your diet is excessive in protein and fibre-poor, more of that leftover protein can spill into the colon, where your gut bacteria start to ferment it. So now instead of saccharolytic fermentation, where your gut bacteria ferment fibre into short-chain fatty acids, your bacteria switch modes into more proteolytic or protein fermentation (sic).”

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