A new study suggests that a diet high in proteins could lower the risk of death for people with chronic kidney disease (CKD). Approximately 850 million people worldwide have kidney disease, with many residing in low-income and lower-middle-income countries.
The research, conducted by Karolinska Institutet and Stockholm University in Sweden, found that the benefits of protein might outweigh potential drawbacks for older adults with mild or moderate CKD. This is particularly relevant as disease progression may have a limited impact on their survival.
The study tracked 8,543 adults aged 60 and older from March 2001 to June 2017, with follow-up for mortality extending from December 2021 to January 2024. Published in JAMA Network Open, the findings indicated that higher intakes of total, animal, and plant proteins were associated with reduced mortality among older adults with mild or moderate CKD.
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The study also noted that these associations with protein rich diet were even stronger in participants without CKD. Researchers suggested that protein supplementation might lower death risk in older adults by increasing levels of branched-chain amino acids. Enhanced protein intake can improve muscle mass and strength, slow bone loss, boost bone mineral density, reduce frailty risk, and improve cardiovascular function and recovery from illnesses, including wound healing.
Conversely, older adults with protein deficiency face risks such as impairments in muscle, skeletal, and immune function.
Dr. Sudhir Kumar from Indraprastha Apollo Hospitals, Hyderabad, addressed concerns on social media platform X.com, stating that a protein-rich diet “will not damage kidneys.”
“Optimum protein intake is safe for kidneys,” Dr. Kumar emphasized. He noted that a typical Indian diet is high in carbohydrates but often low in proteins. He advised, “Make a conscious effort and try to consume about 1 gram of protein per kg of actual body weight (if you are a healthy person).”
Dr. Kumar also pointed out that protein requirements may vary based on physical activity or comorbid conditions, recommending individuals discuss their dietary needs with a nutritionist and physician for personalized advice.