Can Excess Protein Harm Your Kidneys? Expert Breaks Down The Uric Acid Link

Can Excess Protein Harm Your Kidneys: Protein is one of the nutrients we all hear about, from gyms to doctors to nutrition chats at home. It helps build muscles, keeps immune systems strong and supports many body functions. But can eating too much protein actually harm your kidneys? To know in detail, we spoke to Dr Sachin Karkamkar, Consultant - Orthopaedic Surgeon, Sahyadri Super Specialty, Hadapsar, Pune, who shared insights on how excess protein affects the body, the connection with uric acid, and who really needs to be careful. Let’s break it down for you with expert insights: 

What Does Your Kidney Do For Your Body?

• Your kidneys filter waste from your blood and help remove it through urine.

• They also balance fluids, acids and minerals like sodium and potassium.

• Normal kidneys are strong and handle this filtering day in and day out.

Protein And Kidneys: Is There A Direct Harm?

For most healthy people, protein even more than normal doesn’t directly damage kidneys. Health research shows that if your kidneys are already working well, they can handle increased protein without harm. Dr Sachin Karkamkar shared, “When discussing protein, it is important to understand that it is not the actual cause, but rather how much and where you get your protein from will create a higher chance of having higher levels of uric acid if you do not consume enough water or do not have normal functioning kidneys as well as overeating.”

If You Already Have Kidney Disease?

People with existing kidney problems should be careful. Too much protein can increase pressure on the kidneys and make them work harder. Experts often advise a tailored diet in these cases.

What Does Uric Acid Have To Do With Protein?

Protein-rich foods especially red meat, organ meat and some seafood - contain something called purines. When purines break down in the body, they produce uric acid. Dr Sachin Karkamkar explains, “In the orthopaedic field, we frequently observe that patients experiencing joint pain often consume diets that are excessively high in protein, particularly red meat and some other animal-sourced proteins. These foods contain purine(s), which result in uric acid when metabolized within the body.”

Normally your kidneys clear uric acid well. But if levels get too high, a few things can happen:

• Uric acid can crystallise and form stones in the kidneys. 

• It may increase the risk of gout, a very painful joint condition linked with high uric acid. 

• The workload on kidneys increases slightly as they remove extra acids. 

So, the link isn’t that protein itself “poisons” your kidneys - it’s more about how your body processes certain proteins and how much hydration and balance you maintain.

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Signs You Might Be Overdoing Protein

Here are things people sometimes notice when protein intake is too high or unbalanced:

• Dehydration

• Bloating or digestive discomfort

• Bad breath

• Fatigue

• Risk of kidney stones over time if hydration is low 

If you have persistent symptoms, it’s best to check with a doctor.

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Tips To Keep In Mind: 

• Balance your meals 

• Include a mix of plant and lean animal proteins 

• Eat plenty of fruits and vegetables

• Don’t overload on protein supplements

• Stay hydrated

• Get Regular checkups

Dr Sachin Karkamkar notes, “Those who experience chronic swelling, stiffness or having significant pain in their joints, especially during the night, should have serum uric acid levels checked along with reviewing their dietary habits.”

Especially if you have health conditions like diabetes, high blood pressure, or a history of kidney stones, make sure you consult your doctor.

For more such stories, stay tuned to HerZindagi. 

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