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How to reduce your biological age with science-backed strategies

Biological age, unlike chronological age, measures how well or poorly your body is functioning relative to your actual age in years.

It takes into account various biomarkers and physiological parameters that reflect the true state of your body’s health and vitality. These biomarkers can include telomere length, DNA methylation patterns, levels of certain proteins, and the overall condition of your organs and tissues.

What is biological age

In essence, biological age can tell you how “old” your body feels and functions, which may be significantly different from how many years you have lived.

Understanding and monitoring your biological age is crucial because it can provide insights into your overall health and potential lifespan. It can also help identify early signs of age-related diseases and conditions, allowing for timely interventions to mitigate or reverse the aging process.

Unlike chronological age, which is a fixed number, biological age can be influenced by lifestyle choices, environmental factors, and medical interventions, making it a dynamic and modifiable measure of aging.

Why biological age matters

Biological age is a more accurate indicator of healthspan – the period of life spent in good health – than chronological age. While chronological age simply counts the number of years lived, biological age provides insights into the aging process and the risk of age-related diseases.

Lowering your biological age can lead to a longer, healthier life with fewer chronic illnesses. For instance, two individuals may be 50 years old chronologically, but one may have a biological age of 40 due to a healthier lifestyle, while the other may have a biological age of 60 due to poor health habits.

Research shows that a lower biological age is associated with reduced risks of cardiovascular disease, diabetes, cancer, and neurodegenerative conditions such as Alzheimer’s disease. This makes it an essential metric for assessing and improving overall health. By focusing on reducing biological age, individuals can adopt targeted strategies to enhance their quality of life, increase their lifespan, and enjoy more years of good health and vitality.

Healthy habits to reduce biological age


Adopt a Mediterranean diet: rich in fruits, vegetables, whole grains, nuts, and olive oil, this diet is associated with reduced inflammation and slower biological aging. Studies have shown that adherence to a Mediterranean diet can significantly lower the risk of cardiovascular disease, improve metabolic health, and enhance longevity. The high intake of antioxidants and anti-inflammatory nutrients helps protect cells from damage and supports overall health.

Intermittent fasting: limiting food intake to specific hours or days can improve metabolic health and reduce markers of aging. Intermittent fasting has been shown to enhance insulin sensitivity, reduce oxidative stress, and promote cellular repair processes such as autophagy, where the body cleans out damaged cells and regenerates new ones. This can help slow down the aging process and improve longevity.

Increase antioxidant intake: foods high in antioxidants, such as berries, dark chocolate, and green leafy vegetables, help combat oxidative stress, a key driver of aging. Antioxidants neutralize free radicals, unstable molecules that can damage cells and contribute to aging and diseases. A diet rich in antioxidants supports the body’s natural defense mechanisms and promotes healthier, more youthful cells. (Pharmacognosy Reviews)


Regular aerobic exercise: activities like walking, running, and cycling improve cardiovascular health and enhance mitochondrial function. Aerobic exercise increases blood flow, boosts oxygen delivery to tissues, and helps maintain a healthy weight. It also stimulates the production of mitochondria, the powerhouses of cells, which decline in number and efficiency with age. (Comprehensive Physiology)

Strength training: building muscle mass through resistance exercises can improve metabolism and reduce the risk of age-related sarcopenia (muscle loss). Strength training exercises such as weight lifting, bodyweight exercises, and resistance band workouts enhance muscle strength, improve bone density, and boost metabolic rate, helping to maintain a youthful physique and overall health.

Flexibility and balance training: practices like yoga and tai chi enhance overall physical function and reduce the risk of falls. These activities improve flexibility, balance, and coordination, which are crucial for maintaining mobility and preventing injuries as you age. They also promote relaxation and mental well-being, contributing to a lower biological age. (IJOY)


Prioritize quality sleep: aim for 7-9 hours of uninterrupted sleep to allow for cellular repair and recovery. Quality sleep is essential for brain health, immune function, and overall well-being. During deep sleep stages, the body repairs tissues, removes toxins, and consolidates memories, all of which are vital for healthy aging.

Maintain a consistent sleep schedule: going to bed and waking up at the same time every day helps regulate circadian rhythms, which play a crucial role in aging. A regular sleep schedule supports the body’s internal clock, promoting better sleep quality and reducing the risk of sleep disorders. Consistent sleep patterns also help regulate hormones that influence aging processes.

Stress management

Mindfulness and meditation: these practices reduce stress hormones like cortisol, which are linked to accelerated aging. Mindfulness and meditation techniques such as deep breathing, guided imagery, and progressive muscle relaxation can lower stress levels, improve mood, and enhance emotional resilience, all of which contribute to a lower biological age. (Clinical Psychology Review)

Social connections: strong social ties have been shown to improve mental health and longevity. Engaging in meaningful relationships and maintaining a supportive social network can reduce stress, enhance feelings of belonging and purpose, and improve overall health. Social interactions stimulate cognitive function and provide emotional support, which are crucial for healthy aging.

Reversing biological age

Cutting-edge interventions

Caloric restriction mimetics: compounds like resveratrol and rapamycin mimic the effects of calorie restriction, promoting longevity pathways without the need to reduce calorie intake dramatically. These compounds activate similar cellular mechanisms as caloric restriction, such as improving metabolic efficiency and enhancing stress resistance, which can help slow down aging and extend lifespan.

Senolytics: these drugs selectively eliminate senescent cells, which accumulate with age and contribute to chronic inflammation and tissue dysfunction. Senolytic agents target and clear out these “zombie” cells, reducing inflammation and improving tissue function, thereby promoting healthier aging and potentially reversing certain aspects of biological aging.

Gene therapy: emerging research suggests that gene-editing technologies like CRISPR could potentially reverse aspects of aging by repairing or replacing damaged DNA. Gene therapy aims to correct genetic defects, enhance cellular repair mechanisms, and promote the regeneration of tissues, offering a promising avenue for reversing aging and extending healthy lifespan.

Lifestyle modifications

Cold exposure: practices such as cryotherapy and cold showers can stimulate cellular repair mechanisms. Exposure to cold temperatures can activate brown fat, improve metabolic function, and enhance the body’s ability to repair and regenerate tissues. Cold exposure has also been shown to reduce inflammation and boost immune function.

Heat exposure: regular use of saunas can improve cardiovascular health and promote the removal of damaged cells. Heat exposure stimulates the production of heat shock proteins, which help protect and repair cells from stress and damage. Saunas can also improve circulation, reduce blood pressure, and enhance overall well-being.

Fasting mimicking diets: these diets replicate the benefits of fasting while providing essential nutrients, thereby reducing biological age markers. Fasting mimicking diets involve periodic cycles of reduced calorie intake that mimic the effects of fasting, such as promoting cellular repair, reducing inflammation, and improving metabolic health, without the need for complete food deprivation. (Clinics)

Supplements to consider


Vitamin C and E: these vitamins protect cells from oxidative damage and support immune function. Vitamin C is a powerful antioxidant that helps neutralize free radicals and supports collagen production, while vitamin E protects cell membranes from oxidative stress. Both vitamins work synergistically to promote healthy aging and reduce the risk of chronic diseases.

Coenzyme Q10 (CoQ10): essential for mitochondrial function and energy production, CoQ10 levels decline with age. Supplementing with CoQ10 can enhance cellular energy production, improve heart health, and reduce oxidative stress, helping to maintain youthful energy levels and overall vitality.


Omega-3 fatty acids: found in fish oil, these fatty acids reduce inflammation and improve cardiovascular health. Omega-3s have been shown to lower the risk of heart disease, reduce joint pain and stiffness, and support brain health. They work by modulating inflammatory pathways and promoting the production of anti-inflammatory molecules. (Advances in Nutrition)

Curcumin: the active compound in turmeric, curcumin, has potent anti-inflammatory and antioxidant properties. Curcumin can inhibit inflammatory signaling pathways, reduce oxidative stress, and support joint and brain health. It has been studied for its potential to protect against chronic diseases and promote healthy aging.

Cellular health

NAD+ Boosters: supplements like nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN) enhance levels of NAD+, a coenzyme critical for cellular energy and repair processes. NAD+ is essential for the function of enzymes involved in DNA repair, mitochondrial function, and cellular metabolism. Boosting NAD+ levels can improve energy production, reduce oxidative stress, and support overall cellular health.

Fisetin: a flavonoid that can reduce the number of senescent cells and improve overall healthspan. Fisetin has been shown to selectively target and eliminate senescent cells, reducing inflammation and improving tissue function. It also has antioxidant and anti-inflammatory properties, contributing to healthier aging and longevity. (eBioMedicine)

How to measure biological age

DNA methylation clocks

Epigenetic testing: these tests measure patterns of DNA methylation, which change with age and can provide an accurate estimate of biological age. DNA methylation clocks, such as the Horvath clock, analyze specific methylation sites on the genome to determine biological age. These tests are highly accurate and can predict age-related health risks and potential interventions.

Telomere length

Telomere testing: telomeres are protective caps at the ends of chromosomes that shorten with age. Testing their length can provide insights into cellular aging. Shorter telomeres are associated with increased risk of age-related diseases and reduced lifespan. Telomere length can be influenced by lifestyle factors, making it a valuable marker for assessing biological age and the effectiveness of anti-aging interventions.

Biomarker panels

Comprehensive blood tests: these tests measure various biomarkers, including inflammatory markers, glucose levels, and lipid profiles, to assess biological age. Biomarker panels can provide a detailed picture of your metabolic health, immune function, and risk factors for chronic diseases. By tracking these biomarkers over time, you can monitor the impact of lifestyle changes and interventions on your biological age.

Functional tests

Physical performance tests: assessments like grip strength, walking speed, and balance can provide practical indicators of biological age. These tests evaluate your physical capabilities and can predict the risk of falls, fractures, and mobility issues. Maintaining good physical function is crucial for healthy aging and a lower biological age.

Cognitive function tests: evaluations of memory, attention, and processing speed can indicate the aging of the brain. Cognitive tests can help identify early signs of cognitive decline and dementia, allowing for timely interventions to preserve brain health and function. Regular cognitive assessments are important for maintaining mental acuity and reducing the risk of age-related cognitive disorders.

Reducing biological age is a multifaceted endeavor that combines lifestyle changes, dietary interventions, physical activity, and emerging medical treatments. By adopting healthy habits, managing stress, and considering the latest scientific advances, it’s possible to not only slow the aging process but potentially reverse certain aspects of it.

As research continues to evolve, staying informed and proactive about your health can lead to a longer, healthier life. By focusing on practical strategies to reduce biological age, individuals can enhance their quality of life, prevent age-related diseases, and enjoy more years of vitality and well-being.

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