Summary
This narrative review examines the nutrient profile of bone broth—notably glycine, proline, and trace minerals—and their proposed roles in maintaining intestinal barrier integrity across health and disease states. The authors critically evaluate the peer-reviewed evidence supporting widely circulated functional claims, identifying substantial gaps in rigorous characterisation of bioactive compounds and mechanistic substantiation. The review highlights the disconnect between popular assertions and current empirical support in the literature.
Regional applicability
The review addresses a widely consumed functional food with growing UK market presence and consumer interest, though the paper's mechanistic and compositional focus does not address UK-specific dietary patterns or regulatory framework. Findings may inform evidence-based messaging around bone broth in UK nutrition practice and policy.
Key measures
Nutrient composition (glycine, proline, minerals); intestinal barrier function markers; mechanistic pathways
Outcomes reported
The review synthesises evidence on bone broth's nutritional composition, particularly amino acids and minerals, and their proposed mechanisms for supporting intestinal barrier integrity. It critically appraises the empirical evidence underpinning popular functional health claims.
Topic tags
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