Episode Details

In this Nutrition Science Bites episode Professor Clare Collins talks with Dr Alice Day from the Basil Hetzel Institute and The Queen Elizabeth Hospital in Adelaide about the complex relationship between dietary protein, gut health and bowel disease. They discuss recent research on protein digestion, protein fermentation in the colon and implications for both inflammatory bowel disease and colon cancer risk.

Key Points

1. Protein digestion and absorption

2. Fermentation of excess protein in the colon

3. Impact of dietary protein on gut microbiome and health

4. Switch effect in gut microbiome

5. Reflect on your protein intake and its sources

6. Increase dietary fiber to support gut health

Review article on Protein by Dr Day and team The fate of dietary protein in the gastrointestinal tract and implications for colonic disease. Nat Rev Gastroenterol Hepatol. 2026 Jan 22. https://pubmed.ncbi.nlm.nih.gov/41571828/

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Keywords: #protein, #guthealth, #inflammatoryboweldisease, #coloncancer, #dietaryfiber, #microbiome, #proteinsupplements, #colonhealth , #fermentation , #nutritionsciencebites

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