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  • Title: Red meat intake in chronic kidney disease patients: Two sides of the coin.
    Author: Mafra D, Borges NA, Cardozo LFMF, Anjos JS, Black AP, Moraes C, Bergman P, Lindholm B, Stenvinkel P.
    Journal: Nutrition; 2018 Feb; 46():26-32. PubMed ID: 29290351.
    Abstract:
    Red meat is an important dietary source of high biological value protein and micronutrients such as vitamins, iron, and zinc that exert many beneficial functions. However, high consumption of animal protein sources, especially red meat, results in an increased intake of saturated fat, cholesterol, iron, and salt, as well as an excessive acid load. Red meat intake may lead to an elevated production of uremic toxins by the gut microbiota, such as trimethylamine n-oxide (TMAO), indoxyl sulfate, and p-cresyl sulfate. These uremic toxins are associated with increased risk for cardiovascular (CV) mortality. Limiting the intake of red meat in patients with chronic kidney disease (CKD) thus may be a good strategy to reduce CV risk, and may slow the progression of kidney disease. In the present review, we discuss the role of red meat in the diet of patients with CKD. Additionally, we report on a pilot study that focused on the effect of a low-protein diet on TMAO plasma levels in nondialysis CKD patients.
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