Can too much protein hurt your kidneys?
What's the story
For years, we've been told that eating too much protein can damage our kidneys. This myth is especially common among those who love to eat high-protein diets. But, is there any truth to this? In this article, we take a look at whether excess protein intake really harms kidney health or is it just a myth.
#1
Understanding kidney function
The kidneys filter waste products from the blood and regulate fluid balance in the body. They also play a role in maintaining electrolyte levels and blood pressure. A healthy person with normal kidney function can usually handle increased protein intake without any issues. However, those with pre-existing kidney conditions may need to monitor their protein consumption more closely.
#2
Protein intake recommendations
The recommended dietary allowance for protein is about 0.8 grams per kilogram of body weight for average adults. This amount supports basic bodily functions and muscle maintenance. Athletes or those involved in intense physical activity may require more, around 1.2 to 2.0 grams per kilogram, depending on their goals and needs.
#3
Research on protein and kidneys
Studies have shown that high-protein diets do not harm kidneys in healthy individuals. A study found no adverse effects on kidney function in healthy adults consuming up to 2.0 grams of protein per kilogram daily over six months. However, it is important to note that these findings apply primarily to healthy individuals without pre-existing kidney disease.
#4
When to be cautious with protein intake
While excess protein isn't a concern for healthy people, those with chronic kidney disease (CKD) should monitor their intake closely as per medical advice. CKD patients are often recommended lower protein diets to slow disease progression and reduce strain on the kidneys.