How Your Urine Albumin-Creatinine Ratio Can Predict Kidney Disease

Learn how an abnormal albumin-creatinine ratio may indicate kidney damage and how to maintain healthy kidney function through diet, exercise and hydration.

As an health-conscious individual seeking optimal wellness and longevity, monitoring your kidney health and managing risks should be a top priority.

Your urine albumin-creatinine ratio (uACR) provides a simple way to check how well your kidneys are functioning and catch any issues early. An abnormal uACR can indicate reduced kidney function or damage, which if left unmanaged, may lead to chronic kidney disease and significantly impact both quality and length of life.

By understanding your uACR, how it relates to your overall health, and ways to improve or maintain an ideal level, you can take proactive steps for healthy kidneys and promote vitality for years to come.

TLDR: Monitoring your urine albumin-creatinine ratio (uACR) can provide insight into your kidney health.

  • An abnormal uACR ratio may indicate kidney damage or disease.
  • Maintaining a healthy uACR through a balanced diet, regular exercise and proper hydration can help support kidney function and overall wellness.
  • Take proactive steps to improve your uACR by eating a diet low in sodium and high in fresh fruits and vegetables. Limiting red meat and staying well hydrated also helps keep your kidneys functioning optimally.

What Is the Urine Albumin-Creatinine Ratio?

The urine albumin-creatinine ratio (UACR) is a simple urine test that measures the amount of albumin, a protein, in your urine compared to the amount of creatinine, a waste product.

Creatinine is a waste product created by your muscles at a fairly consistent rate.

Albumin levels, on the other hand, can vary depending on factors like diet and health.

By comparing the amount of albumin to the amount of creatinine in your urine, doctors can determine if your albumin levels are within a normal range relative to your creatinine. This helps account for variations in hydration and urine concentration, giving a more accurate indication of your kidney's ability to filter albumin properly.

An elevated uACR suggests that too much albumin is passing through your kidneys into your urine, which can be a sign of kidney damage or disease.

The Link Between Albumin-Creatinine Ratios and Overall Health

Your albumin-creatinine ratio (ACR) provides important insights into your kidney function and overall health. An elevated ACR means there is excess albumin, a protein, spilling into your urine - indicating impaired kidney function or damage. Left unmanaged, persistently high ACR levels can negatively impact your health and longevity.

  • Kidney damage reduces the organ's ability to filter waste and excess fluid from your blood. This can lead to a buildup of toxins in the body and increase the risk of high blood pressure, anemia, bone disease, and other issues.
  • Impaired kidney function is also associated with a higher risk of cardiovascular disease and mortality. Studies show that even minor loss of kidney function doubles the risk of death from heart disease.
  • Uncontrolled high blood pressure is a leading cause of chronic kidney disease. In turn, kidney damage can make high blood pressure more difficult to manage, creating a vicious cycle. Controlling high blood pressure is critical for preserving kidney health and optimizing ACR.

Interpreting Your Albumin-Creatinine Ratio Results

Optimal ACR Levels

An ACR level below 30 mg/g indicates that only a minimal amount of albumin is passing through the kidneys into the urine. This suggests that the kidneys are functioning properly and able to filter albumin as they should.

An ACR of 30-300 mg/g indicates moderately elevated albumin in the urine, signifying mildly impaired kidney function. At these levels, the kidneys are beginning to leak small amounts of albumin that should otherwise be filtered out of the blood. This range warrants further monitoring and lifestyle changes to prevent further deterioration of kidney function.

An ACR above 300 mg/g signifies severely elevated albumin in the urine, indicating significant damage to the kidneys' filtering ability. At these levels, the kidneys are unable to retain the protein albumin within the blood, instead allowing large amounts to pass into the urine. This degree of albuminuria suggests advanced kidney dysfunction that requires medical attention and treatment to prevent serious health consequences.

Recommended Testing Frequency

For most healthy adults aged 50 and older, an ACR test should be performed every 1 to 3 years.

Those with medical conditions like diabetes, high blood pressure or a family history of kidney disease should start ACR testing at an earlier age, around 40 years old. Follow-up testing for these at-risk groups should be done more frequently, every 6 to 12 months.

More regular monitoring is recommended for individuals with:

  • Type 1 or Type 2 diabetes. Diabetes is a leading cause of chronic kidney disease, so annual or biannual ACR testing helps detect early signs of diabetic kidney damage.
  • Hypertension or high blood pressure. High blood pressure strains the kidneys and can accelerate loss of kidney function over time. Annual ACR testing helps ensure blood pressure is managed to preserve kidney health.
  • A family history of kidney disease. Genetics plays a role in susceptibility, so annual testing allows for early detection and intervention.

Regular ACR monitoring, even within the normal range, provides a baseline and allows for the earliest possible detection of subtle changes in kidney function over time. This enables the timely adoption of measures to slow kidney damage progression and reduce the risk of serious health issues.

Mito Health's flagship package, priced at $499, offers testing of your urinary albumin-creatinine ratio as well as 66 other carefully curated biomarkers that provide insight into various aspects of your health - this comprehensive suite of tests allows for early detection of cancer, heart disease, neurodegenerative disorders, diabetes and more.

In addition to testing, you will receive a personalized health optimization plan from our doctors incorporating supplements, nutrition, exercise and sleep strategies, discounted pricing for specialized additional tests, and access to exclusive health and longevity events.

Lifestyle Changes to Improve Albumin-Creatinine Ratios

To improve your albumin-creatinine ratios and overall health, making targeted lifestyle changes can have significant benefits. Implementing the following recommendations may help increase your longevity and vitality.

Exercise Regularly

Engaging in moderate exercise most days of the week can help lower albumin excretion. Aerobic exercise like walking, jogging, cycling and swimming are excellent options.

Aim for at least 30 to 60 minutes of moderate activity on most days. In addition to cardio, strength or resistance training two to three times a week is also beneficial. Building muscle through weight training helps control weight and blood pressure.

Lose Excess Weight

If you are overweight or obese, losing weight can significantly improve your kidney health and albumin-creatinine ratios.

Work with your doctor to develop a reduced calorie meal plan and exercise regimen to lose 1 to 2 pounds per week. Losing just 5 to 10 percent of your body weight can produce health benefits.

Control Blood Pressure and Diabetes

If you have high blood pressure or diabetes, properly managing these conditions is essential to improving your albumin-creatinine ratios. Work closely with your doctor to monitor blood pressure and blood sugar levels and take all prescribed medications as directed.

Making lifestyle changes like diet, exercise and weight loss in combination with medication can help bring high blood pressure and diabetes under control.

Limit Unhealthy Habits

Certain lifestyle habits can damage your kidneys over time and increase albumin excretion.

Avoid smoking and excessive alcohol use. Limit caffeine intake to 1 to 2 cups per day. Develop healthy ways to manage stress through exercise, spending time with others, meditation or yoga.

Making healthy lifestyle changes and eliminating unhealthy habits is key to lifelong wellness.

Following these recommendations consistently can help significantly lower your albumin-creatinine ratios, reduce health risks and promote longevity. Be sure to get follow up testing as directed by your doctor to monitor your progress and make any needed treatment adjustments. Leading an active, balanced lifestyle focused on whole health and wellness is the key to optimal kidney function and vitality.

Dietary Approaches to Support Healthy Kidney Function

To support healthy kidney function and optimal albumin-creatinine ratios, making positive dietary changes is key. Focusing on an anti-inflammatory diet high in nutrients but moderate in calories, protein, and sodium is ideal.

Reduce Sodium Intake

Limiting sodium is one of the best ways to support your kidneys. Aim for less than 2300 mg per day, which is about 1 teaspoon of table salt. Cut back on highly processed foods, canned soups, and frozen dinners which tend to be loaded with sodium. Season your food with herbs and spices instead of salt.

Eat More Plant-Based Foods

A diet high in fruits, vegetables, whole grains, and legumes provides fiber, antioxidants, and other beneficial compounds that promote kidney health. Try to fill half your plate with produce at each meal. Excellent options include:

  • Dark leafy greens like kale, spinach and Swiss chard
  • Cruciferous veggies such as broccoli, cabbage and Brussels sprouts
  • Berries, citrus fruits and melons
  • Beans, lentils and nuts for protein and healthy fats

Choose Lean Sources of Protein

While too much protein can tax your kidneys, moderate portions of lean protein with each meal are fine for most people. Focus on:

  • Fish high in omega-3 fatty acids like salmon, sardines and trout
  • Skinless chicken and turkey
  • Eggs, especially egg whites
  • Small portions of grass-fed red meat 2-3 times per week

Stay Hydrated

Aim for 6-8 glasses of water per day to keep your kidneys functioning properly and flush out waste and toxins. In addition to water, herbal tea, broths and sugar-free beverages can contribute to your daily fluid intake. Limit caffeine and alcohol which can dehydrate you.

Following these dietary guidelines can help support healthy kidney function, manage albumin levels in the urine and promote overall health and longevity. Be sure to also get regular exercise, quit smoking, limit alcohol and work closely with your doctor regarding any medications.

Together, these lifestyle changes can have a significant impact on your wellbeing for years to come.

Supplements for Kidney Health

In addition to diet and lifestyle changes, certain supplements may offer support for kidney health:

Omega-3 Fatty Acids

Studies show that EPA and DHA from fish oil can help reduce protein in the urine and lower high creatinine levels. Aim for 1-2 grams of omega-3s per day from supplements or fatty fish.

Vitamin D

Research indicates that vitamin D deficiency is common in people with chronic kidney disease. Taking a vitamin D supplement of 2000 IU per day under a doctor's guidance may offer benefits.


Antioxidants like vitamins C and E, as well as glutathione, may help reduce oxidative stress and inflammation in the kidneys. Talk to your doctor about appropriate doses.


Herbs like dandelion, marshmallow root and goldenrod have a long history of use for kidney support. However, speak with your doctor before taking any herbal remedies if you have kidney issues.


A healthy gut microbiome may help support kidney function. Consider a high-quality probiotic supplement with at least 10 billion CFUs daily.


Some research suggests that magnesium may help slow the progression of chronic kidney disease. Consult your doctor on appropriate dosages based on your kidney function.

In conclusion, supplements may provide additional benefits when used in conjunction with lifestyle changes to support kidney health. However, always discuss supplement use with your doctor to ensure safety and effectiveness specific to your situation.

Medications for Managing Albuminuria and Kidney Health

To properly manage albuminuria and promote kidney health, several medications may be prescribed by your physician. These aim to lower albumin levels in the urine, control blood pressure, and slow the progression of kidney disease.

Angiotensin-Converting Enzyme (ACE) Inhibitors

ACE inhibitors like lisinopril and enalapril are commonly used to reduce albuminuria. They work by blocking the conversion of angiotensin I to angiotensin II, a hormone that causes blood vessels to narrow.

This helps lower blood pressure and decrease protein in the urine. Typical side effects include dizziness, headaches, and cough.

Angiotensin Receptor Blockers (ARBs)

ARBs such as losartan and valsartan are another option for controlling albuminuria.

They block the effects of angiotensin II at the receptor level. ARBs tend to produce fewer side effects like cough compared to ACE inhibitors but have similar effects on blood pressure and proteinuria. They may be used alone or in combination with ACE inhibitors for maximum benefit.


Diuretics, or water pills, are used to reduce fluid volume, which helps lower blood pressure. Common diuretics include hydrochlorothiazide and chlorthalidone. They are often used in combination with ACE inhibitors or ARBs to enhance their effects. Side effects can include frequent urination, electrolyte imbalance, and dizziness.

With proper treatment and management, albuminuria and kidney disease progression can be delayed or prevented. By following the recommendations of your medical team regarding medication, lifestyle, and frequent monitoring, you can maintain optimal kidney health and longevity. Be sure to schedule regular checkups to review urine albumin, kidney function tests, and make any necessary adjustments to your treatment plan.


In summary, monitoring and managing your albumin-to-creatinine ratio is one of the most effective ways you can take control of your health and longevity. While an abnormal ratio may indicate kidney damage or other health issues, the good news is there are many lifestyle changes and treatments you can adopt to improve your levels and overall wellbeing.

At Mito Health, we specialize in advanced health diagnostics to test your urinary albumin-creatinine ratio (along with 66 other biomarkers) - to form a science-based, personalized health plan to help you optimize your health.  Sign up for our flagship package today to take control of your health and your future. 

Written By
J. Hsu
December 26, 2023
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The information provided by Mito Health is for improving health and wellness only, and not to be taken as medical advice or medical recommendations.

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