Is Extra Protein Unhealthy For Your Kidneys?

Of all the myths that abound relating to vitamin, the assumptions that encompass protein consumption and kidney injury appear to be the one everybody talks about most frequently. How did it begin? From the analysis, I did this explicit delusion began from analysis on sufferers with kidney illness. And why is that?


Individuals with kidney illness have problem of filtrating protein, and that’s why in some instances they’re on a low-protein food regimen. So, the conclusion was made that as a result of sufferers with kidney illness couldn’t filtrate protein, then it should be that an excessive amount of protein should be onerous on the kidneys. Superior proper?



In actuality, research have been executed on larger protein intakes, and the result’s that larger protein consumption is totally secure. Within the short-term, the physique adapts to the upper protein intakes which modifications some markers of kidney operate.


That is a part of the difference course of to the extra protein. Nonetheless, long-term consumption of upper quantities of protein should not have a damaging influence on kidney operate.1,2,three,four,5


After I discuss Dr. Jose Antonio’s newest examine,2 even with the quantity of protein consumed, the creator states: “There have been no modifications in any of the variables relating to blood lipids and a complete metabolic panel.


We examined the 2 people with the best recorded protein intakes (four.66 and 6.59 g/kg/day) and located no deleterious results on renal operate in both particular person.”


We all know from earlier research that top in protein diets trigger hyperfiltration and we should always anticipate an preliminary improve in glomerular filtration (GFR). Glomerular what? The glomerular fee is the perfect check to measure your degree of kidney operate and decide your stage of kidney illness.


However as a study5 concludes, “A nutritious diet wealthy in protein elevated eGFR (Estimated glomerular filtration is a check that’s used to evaluate how effectively your kidneys are working. The check estimates the amount of blood that’s filtered by your kidneys over a given time frame.


The check known as ‘estimated’ as a result of the glomeruli are the tiny filters within the kidneys. If these filters don’t do their job correctly then the kidney is alleged to have lowered or impaired kidney operate). Whether or not long-term consumption of a high-protein food regimen results in kidney illness is unsure.”


The declare that protein consumption results in kidney stones or kidney failure just isn’t supported by the information.



1. Antonio, J., Ellerbroek, A., Silver, T., Orris, S., Scheiner, M., Gonzalez, A. and Peacock, C. A., 2015. A excessive protein food regimen (three.four g/kg/d) mixed with a heavy resistance coaching program improves physique composition in wholesome educated women and men – a follow-up investigation. Journal of the Worldwide Society of Sports activities Vitamin, 12 (1).

2. Antonio, J., Ellerbroek, A., Silver, T., Vargas, L. and Peacock, C., 2016. The consequences of a excessive protein food regimen on indices of well being and physique composition – a crossover trial in resistance-trained males. Journal of the Worldwide Society of Sports activities Vitamin, 13 (1).

three. Li, Z., Treyzon, L., Chen, S., Yan, E., Thames, G. and Carpenter, C. L., 2010. Protein-enriched meal replacements don’t adversely have an effect on liver, kidney or bone density: An outpatient randomized managed trial. Vitamin Journal, 9 (1), 72.

four. Friedman, A. N., Ogden, L. G., Foster, G. D., Klein, S., Stein, R., Miller, B., Hill, J. O., Brill, C., Bailer, B., Rosenbaum, D. R. and Wyatt, H. R., 2012. Comparative results of low-carbohydrate high-protein versus low-fat diets on the kidney. Scientific Journal of the American Society of Nephrology, 7 (7), 1103–1111.

5. Juraschek, S. P., Appel, L. J., Anderson, C. A. M. and Miller, E. R., 2013. Impact of a high-protein food regimen on kidney operate in wholesome adults: Outcomes from the OmniHeart trial. American Journal of Kidney Illnesses, 61 (four), 547–554.

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